You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[(E)-[3-[(E)-2-(1,3-benzothiazol-2-yl)-2-cyanoethenyl]-4-oxo-2-sulfanylidene-1,3-thiazolidin-5-ylidene]methyl]-N-hydroxybenzeneamine oxide by IUPAC nomenclature, provide its molecular formula.
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C20H12N4O3S3
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