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 N-[(2,3-difluorophenyl)methyl]-5-(6-methylpyridin-2-yl)-4-([1,2,4]triazolo[1,5-a]pyridin-7-yl)-1H-imidazol-2-amine is given. What is its corresponding molecular formula?
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C22H17F2N7
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