Using Cc1cc(N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)ncc1CO, BrC(Br)(Br)Br to produce Cc1cc(N(C(=O)OC(C)(C)C)C(=O)OC(C)(C)C)ncc1CBr, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.