You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule ethyl 4-[[N-[[3-[2-(dimethylamino)-2-oxoethoxy]phenyl]methyl]-N'-methylcarbamimidoyl]amino]piperidine-1-carboxylate;hydroiodide into molecular formula.
user
C21H34IN5O4
assistant