You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(3-chlorophenyl)methyl]-N-[(1,4-dimethylpiperazin-2-yl)methyl]-N'-methylpiperazine-1-carboximidamide;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H34ClIN6
assistant