You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[(4-chloro-2-ethylpyrazol-3-yl)methyl]-5-cyclopropyl-N-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxamide .
user
C18H18ClF3N6O
assistant