Using N#Cc1cc(F)cc(CBr)c1, CCN[C@H](CC(C)C)C(=O)OC(C)(C)C to produce CC(C)CC(NCc1cc(F)cc(C#N)c1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.