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Name the molecular formula for the molecule established as 2-methyl-N-[2-[(4-methyl-1,2,4-triazol-3-yl)sulfanyl]ethyl]-4-oxo-6,7-dihydro-5H-1-benzofuran-3-carboxamide using the IUPAC nomenclature.
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C15H18N4O3S
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