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 (7R)-7-(4-propan-2-ylphenyl)-6,7-dihydro-4H-[1,2,4]triazolo[1,5-a]pyrimidin-5-one .
user
C14H16N4O
assistant