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-[4-[5-cyclobutyl-2-(4-fluorophenyl)-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-3-yl]pyridin-2-yl]acetamide .
user
C23H24FN5O
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