Using OCc1ccc(OC(c2ccccc2)c2ccccc2)cc1, BrC(Br)(Br)Br to produce BrCc1ccc(OC(c2ccccc2)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.