You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule methyl 2-[[2-[[4-(2-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]acetyl]amino]-3-phenylpropanoate into molecular formula.
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C21H22N4O4S
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