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Under IUPAC nomenclature, a molecule named 4-[4-[4-chloro-3-(trifluoromethyl)phenyl]sulfonyl-2-(2-ethoxyethoxy)phenyl]-1H-1,2,4-triazole-5-thione is given. What is its corresponding molecular formula?
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C19H17ClF3N3O4S2
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