You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1,3,6-trimethyl-N-[2-methyl-4-(3-methyl-1,2,4-oxadiazol-5-yl)phenyl]pyrazolo[3,4-b]pyridine-5-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H20N6O2
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