You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-[3-(2-azabicyclo[3.2.0]heptan-1-yl)piperidine-1-carbonyl]-1,3,4,5-tetrahydro-1-benzazepin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H29N3O2
assistant