You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R,5R,8R,9S,10R,13S,14R,17R)-17-[(1S)-1-hydroxyethyl]-5,10,13-trimethyl-2,3,4,6,7,8,9,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H38O3
assistant