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 (E)-3-[3-(2,4-dichlorophenyl)-6-methoxy-1-benzofuran-5-yl]-N-(1,3-thiazol-2-yl)but-2-enamide into molecular formula.
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C22H16Cl2N2O3S
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