Using CCCCOC(=O)CC1c2ccc(C#N)c(C)c2CCN1C(=O)OC(C)(C)C to produce Cc1c(C#N)ccc2c1CCN(C(=O)OC(C)(C)C)C2CCO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.