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 (4R)-1-cyclopropyl-4-[4-[2-(4-methylphenyl)ethyl]piperidine-1-carbonyl]pyrrolidin-2-one using the IUPAC nomenclature.
user
C22H30N2O2
assistant