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 1-[(E)-3-[3-nitro-4-(2-propan-2-ylphenyl)sulfanylphenyl]prop-2-enoyl]piperidine-4-sulfonic acid is given. What is its corresponding molecular formula?
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C23H26N2O6S2
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