You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(1R,3aS,5aS,5bR,7aR,11aS,11bR,13aR,13bR)-5a,5b,8,8,11a,13a-hexamethyl-3a-[[1-[(2-methylpropan-2-yl)oxycarbonyl]piperidin-3-yl]methylamino]-1-prop-1-en-2-yl-2,3,4,5,6,7,7a,11,11b,12,13,13b-dodecahydro-1H-cyclopenta[a]chrysen-9-yl]benzoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C48H72N2O4
assistant