You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named methyl 2-[5-butan-2-ylsulfanyl-4-(3,4-dichlorophenyl)-1,3-thiazol-2-yl]-4-[(2,4-dichlorophenyl)methyl]-5-methylpyrazole-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C26H23Cl4N3O2S2
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