Using Clc1ncc2ccn(-c3ccccn3)c2n1, COc1cc(N)cc(OC)c1OC to produce COc1cc(Nc2ncc3ccn(-c4ccccn4)c3n2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.