Using BrCc1ccccc1, CCOC(=O)c1cc2c(C=O)ccc(O)c2[nH]1 to produce CCOC(=O)c1cc2c(C=O)ccc(OCc3ccccc3)c2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.