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Translate the chemical IUPAC name 5-[2-[3-(1-aminocyclopentyl)-1,2,4-oxadiazol-5-yl]ethyl]-2,4,6-trimethyl-1H-pyrazolo[3,4-b]pyridin-3-one;hydrochloride into its molecular formula.
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C18H25ClN6O2
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