Using CC(C)OC(=O)CCC(=O)c1ccc(Oc2ccccc2)cc1, BrBr to produce CC(C)OC(=O)CC(Br)C(=O)c1ccc(Oc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.