Using CCOC(=O)C1(Br)CCC1, CCCC(=O)c1ccc(O)c(Cl)c1Cl to produce CCCC(=O)c1ccc(OC2(C(=O)O)CCC2)c(Cl)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.