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system
Name the molecular formula for the molecule established as methyl 2-[[2-[(4-ethyl-5-methyl-1,2,4-triazol-3-yl)sulfanyl]acetyl]amino]-4-(4-methoxyphenyl)thiophene-3-carboxylate using the IUPAC nomenclature.
user
C20H22N4O4S2
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