Using Cc1nonc1NC(=O)c1ccc(C(F)(F)F)c(S(C)(=O)=O)c1C, C=CCBr to produce C=CCN(C(=O)c1ccc(C(F)(F)F)c(S(C)(=O)=O)c1C)c1nonc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.