Using BrCC1CC1, CC(C)(C)OC(=O)N1CC2C(C#N)C2C1 to produce CC(C)(C)OC(=O)N1CC2C(C1)C2(C#N)CC1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.