Using Nc1cscc1N, COc1ccc(NCc2ccc(C(=O)O)cc2)cc1OC to produce COc1ccc(NCc2ccc(C(=O)Nc3cscc3N)cc2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.