Using N#Cc1cn(CCl)cc1C(F)(F)F, N#CC(C#N)CCC(F)(F)F to produce N#Cc1cn(CC(C#N)(C#N)CCC(F)(F)F)cc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.