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 1-(3-chlorophenyl)-4-[[3-[[4-[3-(trifluoromethyl)phenyl]phenyl]methyl]imidazol-4-yl]methyl]piperazin-2-one .
user
C28H24ClF3N4O
assistant