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 5-[3-[4-(2-methoxyphenyl)piperidin-1-yl]-3-oxopropyl]imidazolidine-2,4-dione using the IUPAC nomenclature.
user
C18H23N3O4
assistant