Using FC(F)(F)c1ccc2nc(CCl)cn2c1, Clc1ccc(N2CCNCC2)cc1 to produce FC(F)(F)c1ccc2nc(CN3CCN(c4ccc(Cl)cc4)CC3)cn2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.