You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2H-benzotriazol-5-yl-[(3S)-3-(1H-pyrazolo[3,4-b]pyridin-6-yl)piperidin-1-yl]methanone into its molecular formula.
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C18H17N7O
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