You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-fluoro-N-[3-hydroxy-2-methoxy-5-[2-(3,4,5-trimethoxyphenyl)ethenyl]phenyl]-4-methoxybenzenesulfonamide by IUPAC nomenclature, provide its molecular formula.
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C25H26FNO8S
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