Using CC(C)(C)OC(=O)N1[C@@H](C=O)COC1(C)C, BrC(Br)(Br)Br to produce CC(C)(C)OC(=O)N1[C@@H](C=C(Br)Br)COC1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.