You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name N-cyclopropyl-4-[[N'-[[1-(2-ethoxyethyl)cyclopentyl]methyl]-N-ethylcarbamimidoyl]amino]butanamide;hydroiodide ?
user
C20H39IN4O2
assistant