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 (2S)-2-[[4-(furan-2-ylmethyl)-5-(3-methoxyphenyl)-1,2,4-triazol-3-yl]sulfanyl]propanoate into molecular formula.
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C18H19N3O4S
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