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 2,3,4,6-tetramethyl-5-(6-methyl-1,3,5,7-tetraoxopyrrolo[3,4-f]isoindol-2-yl)-N-(3,4,5-trifluorophenyl)benzenesulfonamide ?
user
C27H20F3N3O6S
assistant