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 but-3-en-2-yl 5-oxo-7-piperidin-4-yl-2-(trifluoromethyl)-4H-pyrazolo[1,5-a]pyrimidine-3-carboxylate .
user
C17H19F3N4O3
assistant