You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (E)-3-(3-bromo-4-hydroxy-5-methoxyphenyl)-2-[(5-methyl-1H-1,2,4-triazol-3-yl)sulfanyl]prop-2-enoic acid by IUPAC nomenclature, provide its molecular formula.
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C13H12BrN3O4S
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