Using FC(F)(F)c1cc(Br)c2nc(Cl)[nH]c2c1, Clc1cccnc1N1CCNCC1 to produce FC(F)(F)c1cc(Br)c2nc(N3CCN(c4ncccc4Cl)CC3)[nH]c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.