Using CCOC(=O)C(Cc1cc2cc(C#N)ccc2o1)c1ccc(O[C@H]2CCN(C(=O)OC(C)(C)C)C2)cc1 to produce CCOC(=O)C(Cc1cc2cc(C#N)ccc2o1)c1ccc(O[C@H]2CCN(C)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.