You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 5-methyl-6-[5-(3-methylcyclopentyl)-1,3,4-oxadiazol-2-yl]-3-phenyl-2-(trifluoromethyl)-1H-pyrazolo[1,5-a]pyrimidin-7-one ?
user
C22H20F3N5O2
assistant