Using COc1ccc(CCC(=O)Cl)cc1, O=C1CC(=O)NC(=O)N1 to produce COc1ccc(CCC(=O)C2C(=O)NC(=O)NC2=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.