Using CC(=O)c1c(C#N)nn(-c2c(Cl)cc(OC(F)(F)F)cc2Cl)c1N to produce CC(=O)c1cn(-c2c(Cl)cc(OC(F)(F)F)cc2Cl)nc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.