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 N-[(1S,3aS,3bR,5aR,9aR,9bS,11aS)-6,9a,11a-trimethyl-7-oxo-2,3,3a,3b,4,5,5a,8,9,9b,10,11-dodecahydro-1H-indeno[5,4-f]quinolin-1-yl]-3,5-difluoro-N-heptylbenzamide .
user
C33H48F2N2O2
assistant