Using CC(C)CC(N)C(=O)NC(C)(C)C#N, O=C(O)c1ccc(CBr)cc1 to produce CC(C)CC(NC(=O)c1ccc(CBr)cc1)C(=O)NC(C)(C)C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.