Using BrCc1ccccc1, Cc1c(OCCO)ccc(-c2ccc(C(=O)O)cc2)c1C to produce Cc1c(OCCO)ccc(-c2ccc(C(=O)OCc3ccccc3)cc2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.