Using O=C(c1ccc(O)cc1)c1ccc(Cl)cc1, CCOC(=O)C(C)Br to produce CCOC(=O)C(C)Oc1ccc(C(=O)c2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.