You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[1-(2-bicyclo[2.2.1]heptanyl)ethyl]-7-(1-ethyl-3-methylpyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-3-carboxamide into molecular formula.
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C22H28N6O
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