You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[6-(5-chloroquinazolin-7-yl)pyrimidin-4-yl]-4H-1,2,4-oxadiazol-5-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H7ClN6O2
assistant