Using BrCc1ccccc1, CCOC(=O)c1cc(=O)c(-c2ccc(O)c(O)c2)co1 to produce CCOC(=O)c1cc(=O)c(-c2ccc(OCc3ccccc3)c(OCc3ccccc3)c2)co1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.