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 (2,6-difluoro-3-pyrrolidin-1-ylphenyl)-(5-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl)methanone into molecular formula.
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C19H17F2N3O
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