You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[1-(2-methoxyethyl)cyclopentyl]methyl]-4-(3-methoxypropoxy)-N'-methylpiperidine-1-carboximidamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H39N3O3
assistant