Using CCOC(=O)CCc1ccccc1C1(C#N)CCN(C(=O)OC(C)(C)C)CC1 to produce CCOC(=O)CCc1ccccc1C1(C#N)CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.