Using CC(Br)Br, COc1cc(-c2cc(=O)c3ccc(O)cc3o2)cc(OC)c1OC to produce COc1cc(-c2cc(=O)c3ccc(OCCBr)cc3o2)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.