You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 4-[2-[(3-benzyl-1,2,4,5-tetrahydro-3-benzazepin-7-yl)sulfonyl]ethyl]piperidine-1-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H40N2O4S
assistant