Using CCO/C=C(\C#N)C(=O)OCC, NNc1ccc(OC(F)(F)F)cc1 to produce CCOC(=O)c1cnn(-c2ccc(OC(F)(F)F)cc2)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.