You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
9-[4-[4-[3-[cyclohexyl(prop-2-enyl)carbamoyl]-2-methylphenyl]piperazin-1-yl]butyl]-N-(2,2,2-trifluoroethyl)fluorene-9-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C41H49F3N4O2
assistant