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 (2R)-4,4-difluoro-2-(4-fluorophenyl)-N-[4-(6-methyl-3-pyridin-2-yl-1H-pyrrolo[3,2-b]pyridin-2-yl)pyridin-2-yl]butanamide is given. What is its corresponding molecular formula?
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C28H22F3N5O
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