Using Cc1nnc([C@H]2CCCN2)n1Cc1ccc(Cl)cc1, O=C(O)Cc1ccc(C(F)(F)F)cc1 to produce Cc1nnc([C@H]2CCCN2C(=O)Cc2ccc(C(F)(F)F)cc2)n1Cc1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.