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Under IUPAC nomenclature, a molecule named (2E,4Z)-5-[15-(1,1-difluoroethyl)-1,11-diazapentacyclo[9.6.2.02,7.08,18.015,19]nonadeca-2,4,6,8(18)-tetraen-17-yl]-5-(8-ethyl-4,12-diazatetracyclo[6.6.1.01,11.04,15]pentadec-13-en-13-yl)penta-2,4-dien-2-ol is given. What is its corresponding molecular formula?
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C39H50F2N4O
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