You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 4-[1'-(3-methoxybenzoyl)spiro[5,6-dihydropyrrolo[1,2-a]imidazole-7,4'-piperidine]-3-yl]benzamide .
user
C25H26N4O3
assistant