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 3-(1-ethylpyrazol-3-yl)-5-[[4-(2-fluoro-3-methylpyridin-4-yl)phenyl]methyl]-6-hydroxypyrimidin-4-one .
user
C22H20FN5O2
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