Using C1COCCO1, CC1(C)C(Br)C(=O)C1CC(Br)(Br)Br to produce CC1(C)[C@H](C=C(Br)Br)[C@@H]1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.