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 (2R)-N-[(4-chlorophenyl)methyl]-2-[(2-fluoro-6-imidazol-1-ylpyrimidin-4-yl)amino]-4-methylpentanamide;ethane .
user
C22H28ClFN6O
assistant