Using CC(C)(C)OC(=O)N1CCc2ccc(C#N)cc2C1C1(c2ccccn2)CCC1 to produce CC(C)(C)OC(=O)N1CCc2ccc(CN)cc2C1C1(c2ccccn2)CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.