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 (E)-N-(3,5-dinitrophenyl)-2-phenyl-N-[(E)-2-phenylethenyl]sulfonylethenesulfonamide is given. What is its corresponding molecular formula?
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C22H17N3O8S2
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