Using Cc1ccc(C(=O)Cl)cc1, CCOC(=O)Cc1cccc(C)c1 to produce CCOC(=O)C(C(=O)c1ccc(C)cc1)c1cccc(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.