You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[4-[1-(furan-2-ylmethyl)-6-oxo-5,7-dihydro-4H-pyrazolo[3,4-b]pyridin-4-yl]-2-methoxyphenoxy]acetamide into its molecular formula.
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C20H20N4O5
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