Using BrCc1ccccc1, CCc1ccc(Cc2ccc(C(=O)OC)cc2O)cc1 to produce CCc1ccc(Cc2ccc(C(=O)OC)cc2OCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.