You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (E)-3-[3-(3,4-dimethoxyphenyl)-6-methoxy-1-benzofuran-5-yl]-N-(3-methylsulfanylphenyl)but-2-enamide into molecular formula.
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C28H27NO5S
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