You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (E)-N-(6-nitro-1,3-benzothiazol-2-yl)-1-[2-[(E)-(6-nitro-1,3-benzothiazol-2-yl)iminomethyl]phenyl]methanimine by IUPAC nomenclature, provide its molecular formula.
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C22H12N6O4S2
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