Using COc1cccc(N)c1, Clc1cc(-c2ccccn2)nc(-c2ccccn2)n1 to produce COc1cccc(Nc2cc(-c3ccccn3)nc(-c3ccccn3)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.