Using COc1cc2c(c(OC)c1OC)-c1ccc([N+](=O)[O-])cc1COC2 to produce COc1cc2c(c(OC)c1OC)-c1ccc(N)cc1COC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.