You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance ethyl 4-[[N-[2-(dimethylamino)-2-oxoethyl]-N'-[(4-nitrophenyl)methyl]carbamimidoyl]amino]piperidine-1-carboxylate;hydroiodide .
user
C20H31IN6O5
assistant