You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (5-fluoro-2-pyrimidin-2-ylphenyl)-[6-(5-methylpyridin-2-yl)oxy-2-azabicyclo[2.2.1]heptan-2-yl]methanone .
user
C23H21FN4O2
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