Using Nc1ccc(Br)cc1, CC(C)c1nc(Cl)c2c(n1)CCN(c1ncccc1C(F)(F)F)CC2 to produce CC(C)c1nc2c(c(Nc3ccc(Br)cc3)n1)CCN(c1ncccc1C(F)(F)F)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.