Using BrCc1ccccc1, COC(=O)COc1cc(O)cc(O)c1C(=O)C=CC1C=CC=CC1 to produce COC(=O)COc1cc(OCc2ccccc2)cc(O)c1C(=O)C=CC1C=CC=CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.