You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-(4,5-dimethylimidazol-1-yl)ethyl]-1-(5-methyl-[1,3]oxazolo[4,5-b]pyridin-2-yl)piperidine-4-carboxamide into its molecular formula.
user
C20H26N6O2
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