You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[3-(1,4-diazabicyclo[2.2.2]octan-2-yl)-1,2,4-oxadiazol-5-yl]-3,3-dimethylbutanoic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H22N4O3
assistant