Using O=C(O)C(F)(F)F, CC(C)(C)OC(=O)NC1CCN(C[C@@]23C[C@@H](c4ccccc42)c2ccc(Cl)cc23)CC1 to produce NC1CCN(C(=O)[C@@]23C[C@@H](c4ccccc42)c2ccc(Cl)cc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.