You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name [8-(benzenesulfonyl)-1,2-dimethyl-3,4-dihydropyrrolo[3,2-g][1,4]benzoxazepin-1-yl] 2,2,2-trifluoroacetate ?
user
C21H19F3N2O5S
assistant