Using CCOC(=O)c1c(CC)n[nH]c1O, CC(Br)C(=O)c1ccc(Cl)cc1Cl to produce CCOC(=O)c1c(CC)n[nH]c1OC(C)C(=O)c1ccc(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.