You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(E)-3-(2,5-dimethoxyphenyl)-1-[4-[[3-(trifluoromethyl)phenyl]methyl]piperazin-1-yl]prop-2-en-1-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H25F3N2O3
assistant