You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3S,8S,9S,10R,13S,14S,17S)-N-[3-(dimethylamino)propyl]-3-hydroxy-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-16-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C33H58N2O2
assistant