Using COC(=O)CC1(c2ccc(Cl)c(NC(=O)C(c3ccc(Cl)cc3)[C@@H](C)C(F)(F)F)c2)CCC1 to produce C[C@H](C(C(=O)Nc1cc(C2(CC(=O)O)CCC2)ccc1Cl)c1ccc(Cl)cc1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.