Using CC1=C(C#N)[C@@H](c2ccc(C#N)cc2S(C)(=O)=O)NC(=O)N1c1cccc(C(F)(F)F)c1, N#CCBr to produce CC1=C(C#N)[C@@H](c2ccc(C#N)cc2S(C)(=O)=O)N(CC#N)C(=O)N1c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.