You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule N-[1-(4-methoxy-2-methylphenyl)-3,6-dimethylpyrazolo[3,4-d]pyrimidin-4-yl]-5-(propylaminomethyl)-1,2,4-oxadiazol-3-amine into molecular formula.
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C21H26N8O2
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