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 (2S,3S)-3-[[2-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-3-yl)-9-methylpurin-6-yl]amino]bicyclo[2.2.2]oct-5-ene-2-carboxylic acid is given. What is its corresponding molecular formula?
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C22H20FN7O2
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