You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,4-dimethyl-1-(3-phenylprop-2-enyl)-4-[[4-(trifluoromethyl)phenyl]methyl]piperazine-1,4-diium The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H29F3N2+2
assistant