You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[4-[(4-ethylpiperazin-1-yl)methyl]-3-(trifluoromethyl)phenyl]-3-methylbutan-2-one;1-(3-methylphenyl)propan-2-one .
user
C29H39F3N2O2
assistant