You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[(3S)-4-(4-fluorophenyl)sulfonyl-7-(1,1,1,3,3,3-hexafluoro-2-hydroxypropan-2-yl)-2,3-dihydro-1,4-benzothiazin-3-yl]acetic acid .
user
C19H14F7NO5S2
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