Using CC(C)(C)OC(=O)N1CCC(C=O)CC1, BrC(Br)(Br)Br to produce CC(C)(C)OC(=O)N1CCC(C=C(Br)Br)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.