You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(2-methoxyphenyl)-2-[[5-(2-methylfuran-3-yl)-4-[[(2R)-oxolan-2-yl]methyl]-1,2,4-triazol-3-yl]sulfanyl]acetamide by IUPAC nomenclature, provide its molecular formula.
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C21H24N4O4S
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