Using N[C@H]1CCN(C(=O)CNC(=O)c2cccc(C(F)(F)F)c2)C1, O=C1CCC(O)(c2ccccc2)CC1 to produce O=C(NCC(=O)N1CC[C@H](NC2CCC(O)(c3ccccc3)CC2)C1)c1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.