Using CC(C)(C)OC(=O)C1(CN2CCC(C#N)CC2)CCOCC1 to produce CC(C)(C)OC(=O)C1(CN2CCC(CN)CC2)CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.