You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (E)-1-(2,3-dichlorophenyl)-N-[4-[(4-methylphenyl)methyl]piperazin-4-ium-1-yl]methanimine into molecular formula.
user
C19H22Cl2N3+
assistant