Using Cc1cc(N)n[nH]1, COc1ccc(CSc2nc(Cl)cc(Cl)n2)cc1 to produce COc1ccc(CSc2nc(Cl)cc(Nc3cc(C)n[nH]3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.