Using CC(=O)c1ccc(CBr)cc1, N#CC(C#N)CCC(F)(F)F to produce CC(=O)c1ccc(CC(C#N)(C#N)CCC(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.