You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-butyl-4-[[9-chloro-7-(2,6-difluorophenyl)-5H-pyrido[3,4-d][2]benzazepin-2-yl]amino]-N-propylbenzamide;propane The above is the IUPAC name of a molecule. Write its molecular formula.
user
C36H39ClF2N4O
assistant