Using [N-]=[N+]=[N-], COc1ccc(Oc2c(Cl)cc(CC#N)cc2Cl)cc1C(C)C to produce COc1ccc(Oc2c(Cl)cc(Cc3nnn[nH]3)cc2Cl)cc1C(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.