Using Clc1ccccc1N1CCNCC1, FC(F)(F)c1nnc2ccc(Cl)nn12 to produce FC(F)(F)c1nnc2ccc(N3CCN(c4ccccc4Cl)CC3)nn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.