Using [N-]=[N+]=Nc1ccnc(C(=O)Nc2ccc(Oc3ccccc3)cc2)c1O to produce Nc1ccnc(C(=O)Nc2ccc(Oc3ccccc3)cc2)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.