You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-(2,6-dimethylphenoxy)-3,3-dimethylbutan-2-yl]-6-oxo-1-propylpyridazine-3-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H31N3O3
assistant