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 (3S)-3-[[4-(2-methoxy-5-methylphenyl)-5-thiophen-2-yl-1,2,4-triazol-3-yl]sulfanyl]oxolan-2-one into molecular formula.
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C18H17N3O3S2
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