You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-fluoro-3-morpholin-4-ylsulfonyl-N-(11H-pyrido[1,2-b][2,4]benzodiazepin-6-ylidene)benzamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H21FN4O4S
assistant