You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(3aR,4S,5R,6E,10S,11R,11aS)-5,10,11-trihydroxy-6,10-dimethyl-3-methylidene-2,9-dioxo-3a,4,5,8,11,11a-hexahydrocyclodeca[b]furan-4-yl] 2-methylprop-2-enoate into molecular formula.
user
C19H24O8
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