Using CCOC(=O)C1=C(c2c[nH]c3ccc(C#N)cc23)CCC1 to produce CCOC(=O)[C@@H]1CCC[C@@H]1c1c[nH]c2ccc(C#N)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.