You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 4-(1,3-benzothiazol-2-ylsulfanylmethyl)-N-[(5-nitrofuran-2-yl)methylideneamino]benzamide is given. What is its corresponding molecular formula?
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C20H14N4O4S2
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