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Under IUPAC nomenclature, a molecule named N-[[2-(4-ethoxyphenoxy)pyridin-4-yl]methyl]-3-(3-methoxy-1,4,6-trimethylpyrazolo[3,4-b]pyridin-5-yl)propanamide is given. What is its corresponding molecular formula?
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C27H31N5O4
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