Using CC(C)(C)OC(=O)N1CCC(CC=O)C1, BrC(Br)(Br)Br to produce CC(C)(C)OC(=O)N1CCC(CC=C(Br)Br)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.