You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [6-acetyloxy-3,3a-dihydroxy-3,6,9-trimethyl-4-(2-methylbutanoyloxy)-8-(2-methylbut-2-enoyloxy)-2-oxo-4,5,6a,7,8,9b-hexahydroazuleno[4,5-b]furan-7-yl] octanoate by IUPAC nomenclature, provide its molecular formula.
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C35H52O12
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