You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-hydroxy-4-[[2-[3-[6-[(2-methoxyacetyl)amino]pyridin-3-yl]-1,2,4-oxadiazol-5-yl]pyrrolidin-1-yl]methyl]benzeneamine oxide by IUPAC nomenclature, provide its molecular formula.
user
C21H24N6O5
assistant