Using COC[C@H](CCC(=O)OC(C)(C)C)N(CC(OC)OC)C(=O)[C@H](C)Nc1ccc(C(F)(F)F)c(Cl)c1 to produce COC[C@H](CCC(=O)O)N1CCN(c2ccc(C(F)(F)F)c(Cl)c2)[C@@H](C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.