Using CC(C)(C)OC(=O)N1CCc2cccc(OS(=O)(=O)C(F)(F)F)c2CC1, CN(C)C=O to produce CC(C)(C)OC(=O)N1CCc2cccc(C#N)c2CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.