You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [4-[2-(4-methoxyphenyl)ethyl]piperidin-1-yl]-(3-methyl-[1,2,4]triazolo[4,3-a]pyridin-6-yl)methanone into its molecular formula.
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C22H26N4O2
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