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 (4R)-4-[(3R,5S,8R,9R,10S,12S,13R,14R,17S)-3,12-dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]-N-[1-(2-methoxyethyl)indol-4-yl]pentanamide .
user
C35H52N2O4
assistant