Using FC(F)(F)c1cccc(-n2nnnc2CCl)c1, O=C1NCCC12CCNCC2 to produce O=C1NCCC12CCN(Cc1nnnn1-c1cccc(C(F)(F)F)c1)CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.