Using CC(CC(F)(F)F)C(=O)O, Nc1cnn(-c2cccnc2)c1 to produce CC(CC(F)(F)F)C(=O)Nc1cnn(-c2cccnc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.