Using NCC(F)(F)F, COC(=O)[C@@H](Cc1cc(Cl)c2[nH]ncc2c1CCl)NC(=O)OCc1ccccc1 to produce O=C(N[C@@H]1Cc2cc(Cl)c3[nH]ncc3c2CN(CC(F)(F)F)C1=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.