You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)-4-(trifluoromethylsulfanyl)benzamide by IUPAC nomenclature, provide its molecular formula.
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C19H16F3N3O2S
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