You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-[4-[4-ethenyl-15,16-dimethoxy-5-methyl-3-[(Z)-prop-1-enyl]-10-(4-pyrrolidin-1-ylphenyl)-11-oxatetracyclo[11.4.0.02,6.07,12]heptadeca-1(17),2(6),3,7(12),8,13,15-heptaen-10-yl]phenyl]pyrrolidine by IUPAC nomenclature, provide its molecular formula.
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C44H46N2O3
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