Using [O-][n+]1cc(Cl)c(C[C@H](O)c2ccc(OC(F)F)c(OCC3CC3)c2)c(Cl)c1, CC(C)(C)OC(=O)CC(=O)O to produce CC(C)(C)OC(=O)CC(=O)O[C@@H](Cc1c(Cl)c[n+]([O-])cc1Cl)c1ccc(OC(F)F)c(OCC2CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.