You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by (5R,10bR)-9-chloro-7-methoxy-2-(4-methylphenyl)-5-(4-nitrophenyl)-5,10b-dihydro-1H-pyrazolo[1,5-c][1,3]benzoxazine ?
user
C24H20ClN3O4
assistant