You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-[1-(2-cyanoethyl)-3,5-dimethylpyrazol-4-yl]-N-[3-(3-oxo-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridin-2-yl)propyl]propanamide into its molecular formula.
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C20H29N7O2
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