You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (5E)-3-[(Z)-2-[(5R,6R,8aS)-6-hydroxy-5-(hydroxymethyl)-5,8a-dimethyl-2-methylidene-3-morpholin-4-yl-3,4,4a,6,7,8-hexahydro-1H-naphthalen-1-yl]-1-(pyridin-2-ylamino)ethenyl]-5-[[4-(dimethylamino)phenyl]methylidene]furan-2-one by IUPAC nomenclature, provide its molecular formula.
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C38H48N4O5
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