You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 7-bromo-N-(2,2-dimethoxypropyl)-3-propyl-5-pyridin-2-yl-1,3-dihydro-1,4-benzodiazepin-2-imine ?
user
C22H27BrN4O2
assistant