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    <element id="CELC_StatementOfIncomeLocationBalanceDomain" name="StatementOfIncomeLocationBalanceDomain" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_ChangeInCommonStockSharesReservedForIssuance" name="ChangeInCommonStockSharesReservedForIssuance" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_RemainingStockBasedCompensationExpenseRelatedToModification" name="RemainingStockBasedCompensationExpenseRelatedToModification" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_FinalFee" name="FinalFee" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_PaymentInKindInterestDebt" name="PaymentInKindInterestDebt" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_DisbursementLoanAmount" name="DisbursementLoanAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_AmendmentFee" name="AmendmentFee" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_DebtFinalFeePercentage" name="DebtFinalFeePercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_FinalFeePercentage" name="FinalFeePercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_WarrantOrRightToPurchasePercentage" name="WarrantOrRightToPurchasePercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_LicenseAgreementAbstract" name="LicenseAgreementAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_LicenseAgreementTable" name="LicenseAgreementTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="CELC_AggregateValueOfMilestoneEvents" name="AggregateValueOfMilestoneEvents" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_PaymentOnMilestoneEventOne" name="PaymentOnMilestoneEventOne" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_ResearchAndDevelopmentExpenseMilestone" name="ResearchAndDevelopmentExpenseMilestone" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_DeferredTaxAssetsRightofuseAssets" name="DeferredTaxAssetsRightofuseAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_DeferredTaxAssetsLeaseLiability" name="DeferredTaxAssetsLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsIRC174Expenditures" name="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsIRC174Expenditures" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsStartupExpenditures" name="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsStartupExpenditures" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="CELC_AggregateOfferingAmount" name="AggregateOfferingAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
