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 N-(5-fluoro-2-methylphenyl)-2-[6-fluoro-3-oxo-1-(2,4,6-trimethylphenyl)sulfonyl-2,4-dihydroquinoxalin-2-yl]acetamide ?
user
C26H25F2N3O4S
assistant