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 N-(1,1-dioxothiolan-3-yl)-2-(4-ethoxyphenyl)-N,4-dimethyl-1,3-thiazole-5-carboxamide is given. What is its corresponding molecular formula?
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C18H22N2O4S2
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