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 (5R,7R)-5-(furan-2-yl)-N-(2-morpholin-4-ium-4-ylethyl)-7-(trifluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxamide .
user
C18H23F3N5O3+
assistant