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-[[2-(4-methylphenyl)-1,3-thiazol-4-yl]methyl]piperidin-4-yl]thiophene-3-carboxamide is given. What is its corresponding molecular formula?
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C21H23N3OS2
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