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 2-fluoro-N-[2-[[4-oxo-4-(5-phenyl-3,4-dihydropyrazol-2-yl)butanoyl]amino]ethyl]benzamide .
user
C22H23FN4O3
assistant