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 4-(3-methylpyridin-2-yl)-N-(pyridin-3-ylmethyl)-1H-pyrrolo[2,3-b]pyridin-6-amine is given. What is its corresponding molecular formula?
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C19H17N5
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