You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-(3-butoxypropyl)-3-ethyl-2-[[4-[(2-oxopyrrolidin-1-yl)methyl]phenyl]methyl]guanidine using the IUPAC nomenclature.
user
C22H36N4O2
assistant