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-methyl-4-[1-methyl-2-[(1-methylpiperidin-4-yl)methyl]benzimidazol-5-yl]oxypyridine-2-carboxamide is given. What is its corresponding molecular formula?
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C22H27N5O2
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