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-[(2-chloro-3,4-dimethoxyphenyl)methyl]-4-[2-[2-(trifluoromethyl)phenyl]ethyl]piperazine .
user
C22H26ClF3N2O2
assistant