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Translate the chemical IUPAC name 4-bromo-2-[(E)-[[2-[[5-[(4-methylphenyl)methylsulfanyl]-1,3,4-thiadiazol-4-ium-2-yl]sulfanyl]acetyl]hydrazinylidene]methyl]phenolate into its molecular formula.
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C19H17BrN4O2S3
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