You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (4S,4aS,5aR,12aS)-10,12a-dihydroxy-1,3,11,12-tetraoxo-4-propan-2-yl-7-[5-(pyrrolidin-1-ylmethyl)furan-2-yl]-4,4a,5,5a,6,11a-hexahydrotetracene-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C31H34N2O8
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