Using Cc1cc(C#N)ccc1NC(=O)C(F)(F)F, O=C1CCC(=O)N1Br to produce N#Cc1ccc(NC(=O)C(F)(F)F)c(CBr)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.