Using BrC(Br)(Br)Br, CC(C)(C)OC(=O)N1CCN(C(=O)OC(C)(C)C)C(CCO)C1 to produce CC(C)(C)OC(=O)N1CCN(C(=O)OC(C)(C)C)C(CCBr)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.