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 (1R,3S)-3-[[(3aR,5aR,5bR,7aR,9S,11aR,11bR,13aS)-3a-[(1R)-2-[[1-[(4-chlorobenzoyl)amino]cyclopropyl]methylamino]-1-hydroxyethyl]-5a,5b,8,8,11a-pentamethyl-2-oxo-1-propan-2-yl-4,5,6,7,7a,9,10,11,11b,12,13,13a-dodecahydro-3H-cyclopenta[a]chrysen-9-yl]oxycarbonyl]-2,2-dimethylcyclobutane-1-carboxylic acid .
user
C50H71ClN2O7
assistant