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 3-(3,5-dicyano-2,6-dimethyl-3,4-dihydropyridin-4-yl)-N-(pyridin-4-ylmethyl)benzamide is given. What is its corresponding molecular formula?
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C22H19N5O
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