You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2R,3S,9S,10R,13R,14R,17R)-3-acetyloxy-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-6-oxo-1,2,3,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-2-yl] acetate into molecular formula.
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C31H46O5
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