You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3S,5R,8R,9S,10S,13R,14S,17S)-17-(4-aminobutoxyiminomethyl)-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,15,16,17-tetradecahydrocyclopenta[a]phenanthrene-3,14-diol into molecular formula.
user
C24H42N2O3
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