You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(2,6-dichloropyridin-4-yl)-2-[(1,3-dimethyl-4-propan-2-ylpyrazolo[3,4-b]pyridin-6-yl)amino]acetamide .
user
C18H20Cl2N6O
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