You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(7-fluoro-3-oxo-4H-1,4-benzothiazin-6-yl)-4,5,6,7-tetrahydroisoindole-1,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H13FN2O3S
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