Using c1ccc(COc2ccc(-c3nc(-c4ccc(Oc5ccccn5)cc4)no3)cc2)cc1 to produce Oc1ccc(-c2nc(-c3ccc(Oc4ccccn4)cc3)no2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.