Using BrC(Br)(Br)Br, COc1ccc(Oc2c(Cl)cc(CO)cc2Cl)cc1C(C)C to produce COc1ccc(Oc2c(Cl)cc(CBr)cc2Cl)cc1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.