Using BrC(Br)(Br)Br, CCCCC[C@H]1CC[C@H](CC[C@H]2CC[C@H](C=O)CC2)CC1 to produce CCCCC[C@H]1CC[C@H](CC[C@H]2CC[C@H](C=C(Br)Br)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.