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 (2S)-1-[4-[5-benzyl-6-methyl-2-[3-(trifluoromethyl)phenyl]pyrimidin-4-yl]piperazin-1-yl]-2-ethylhexan-1-one .
user
C31H37F3N4O
assistant