You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[(2R)-2-[(2R)-2-(2,5-difluorophenyl)pyrrolidin-1-yl]pyrrolidin-1-yl]sulfonylpyrazolo[1,5-a]pyridine-3-carboxamide into molecular formula.
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C22H23F2N5O3S
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