Using COc1ccc(C(=O)c2cc(OC)c(OC)cc2[N+](=O)[O-])cc1OC to produce COc1ccc(C(=O)c2cc(OC)c(OC)cc2N)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.