You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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4-(5-methylpyrazol-1-yl)-N-[(6S)-6-methyl-4,5,6,7-tetrahydro-1,3-benzothiazol-2-yl]benzamide is the IUPAC name of a molecule. Please give its molecular formula.
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C19H20N4OS
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