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 4-[3-[4-fluoro-3-(trifluoromethyl)anilino]-5-(2-methylpyridin-4-yl)-1,2,4-triazol-1-yl]-N,N-dimethylbutanamide .
user
C21H22F4N6O
assistant