You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 2-(2-hydroxyethylsulfanyl)-N-[4-(4-methoxyphenyl)-5-methyl-1,3-thiazol-2-yl]acetamide is given. What is its corresponding molecular formula?
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C15H18N2O3S2
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