You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(10R,13R,17R)-7-hydroxy-17-[(2S)-1-hydroxypropan-2-yl]-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H34O3
assistant