You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(3,4-dimethoxyphenyl)-2-[3-(2-methoxyphenyl)-1,2,4-oxadiazol-5-yl]pyrrolidine-1-carboxamide by IUPAC nomenclature, provide its molecular formula.
user
C22H24N4O5
assistant