You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-[(1S,2R,8aS)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-1-(4-fluorophenyl)-5-oxo-2,3,6,7,8,8a-hexahydro-1H-indolizin-7-yl]propan-2-yl]acetamide;N-[2-[(1S,2R,8aS)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-1-(4-fluorophenyl)-5-oxo-2,3,6,7,8,8a-hexahydro-1H-indolizin-7-yl]propan-2-yl]-2-chloroacetamide;N-[2-[(1S,2R,8aS)-2-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-1-(4-fluorophenyl)-5-oxo-2,3,6,7,8,8a-hexahydro-1H-indolizin-7-yl]propan-2-yl]formamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C86H90ClF21N6O9
assistant