You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 2-[[1-[(2,3-difluorophenyl)methyl]pyrazol-3-yl]methyl]-5-[1-(4-methyl-1,3-thiazol-2-yl)ethyl]-1,3,4-thiadiazole into molecular formula.
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C19H17F2N5S2
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