Using N#CC(C#N)=C(C#N)C#N, NNc1c(Cl)cc(C(F)(F)F)cc1Cl to produce N#Cc1nn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c(N)c1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.