You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2S)-N-(4-bromo-2-fluorophenyl)-2-methyl-4-oxo-3,5-dihydro-2H-1,5-benzothiazepine-7-sulfonamide .
user
C16H14BrFN2O3S2
assistant