Using N#CC(C#N)Cc1ccc(Cl)c(Cl)c1, FC(F)(F)CCBr to produce N#CC(C#N)(CCC(F)(F)F)Cc1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.