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 9-chloro-2-methyl-7-pyridin-2-yl-5H-[1,2,4]triazino[4,3-a][1,4]benzodiazepin-1-one ?
user
C17H12ClN5O
assistant