You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (8R,9S,10R,13S,14S,16S)-16-imidazol-1-yl-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-dione ?
user
C22H26N2O2
assistant