You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1,3,6-trimethyl-N-(2-pyrazol-1-ylpyridin-3-yl)pyrazolo[3,4-b]pyridine-4-carboxamide into its molecular formula.
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C18H17N7O
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