You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 5-(4-chlorophenyl)-N-(2,3-dimethylphenyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxamide using the IUPAC nomenclature.
user
C22H20ClF3N4O
assistant