Using NNc1ccc(C(F)(F)F)cc1, COC(=O)C#CC(=O)OC to produce COC(=O)C1=NN(c2ccc(C(F)(F)F)cc2)C(=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.