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 4-(2,6-dimethyl-6,7-dihydro-5H-pyrazolo[1,5-a]pyrimidin-4-yl)-N-[5-(5-fluoropyridin-2-yl)pyridin-2-yl]-4-oxobutanamide .
user
C22H23FN6O2
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