You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(1,3-benzothiazol-2-ylsulfanyl)-1-[4-(2,3,4-trifluorophenyl)sulfonylpiperazin-1-yl]ethanone is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H16F3N3O3S3
assistant