You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (2R)-1-[4-[2-[4-[4-(hydrazinecarbonyl)-1,6-naphthyridin-2-yl]phenyl]ethynyl]phenyl]sulfonylpyrrolidine-2-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C28H23N5O5S
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