You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule ethyl 4-[[N-[3-(cyclopropylmethoxy)propyl]-N'-[2-(dimethylamino)-2-oxoethyl]carbamimidoyl]amino]piperidine-1-carboxylate .
user
C20H37N5O4
assistant