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 N-[2-[[4-(2-methoxy-5-methylphenyl)-1,3-thiazol-2-yl]amino]-2-oxoethyl]thiophene-2-carboxamide into molecular formula.
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C18H17N3O3S2
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