You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5-amino-2-chloropyridin-4-yl)-(1,3,4,5-tetrahydro-2-benzazepin-2-yl)methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H16ClN3O
assistant