You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (5R,8R,9S,10S,13S,14S,16S,17S)-17-acetyl-10,13,16-trimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one .
user
C22H34O2
assistant