You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (8S,9R,11S,13S,14S,17S)-13-methyl-11-[4-[2-[methyl(prop-2-ynyl)amino]ethoxy]phenyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol .
user
C30H37NO3
assistant