You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-tert-butyl-6-[3-oxo-2-propan-2-yl-6-(1,2,3,4-tetrahydroisoquinolin-6-ylamino)pyrazolo[3,4-d]pyrimidin-1-yl]pyridine-3-carbonitrile into molecular formula.
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C27H30N8O
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