You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-(1H-benzimidazol-2-ylsulfanylmethyl)phenyl]-(1,1-dioxo-1,4-thiazinan-4-yl)methanone into its molecular formula.
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C19H19N3O3S2
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