You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 4-[4-(4-chlorophenyl)phenoxy]-2,2-dimethyl-3-oxo-4-(1,2,4-triazol-1-yl)butanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H22ClN3O4
assistant