You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 1-[N-[[4-(3-chlorophenyl)oxan-4-yl]methyl]-N'-methylcarbamimidoyl]piperidine-4-carboxylate;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H33ClIN3O3
assistant