You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1'-[1-(3-chlorobenzoyl)piperidine-3-carbonyl]spiro[3,5-dihydro-1,5-benzoxazepine-2,4'-piperidine]-4-one .
user
C26H28ClN3O4
assistant