Using CCOC(C)=O, COc1cc(C(C#N)CCN(C)C)cc(OC)c1OC to produce COc1cc(C(CCN(C)C)C(N)=O)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.