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 (5Z)-3-[4-(azepan-1-yl)-4-oxobutyl]-5-[(3,4-dimethoxyphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one into molecular formula.
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C22H28N2O4S2
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