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 (5E)-3-(1,3-benzodioxol-5-yl)-5-[(2-methoxy-5-nitrophenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one into molecular formula.
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C18H12N2O6S2
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