Using CN(C[C@@H]1C[C@H]1c1ccc(F)cc1)c1ccnc(NN)c1C(F)(F)F, O=C(Cl)CC(F)(F)F to produce CN(C[C@@H]1C[C@H]1c1ccc(F)cc1)c1ccnc(NNC(=O)CC(F)(F)F)c1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.