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 2,9-dioxa-6-azaspiro[4.5]decan-6-yl-(2-methyl-1-phenylbenzimidazol-5-yl)methanone using the IUPAC nomenclature.
user
C22H23N3O3
assistant