Using [O-]c1ccccc1, CC(C)[C@@H](NC(=O)c1cnc(Cl)c(Cl)c1)C(=O)N1CC[C@](O)(c2ccc(Cl)cc2)C(C)(C)C1 to produce CC(C)[C@@H](NC(=O)c1cnc(Oc2ccccc2)c(Cl)c1)C(=O)N1CC[C@](O)(c2ccc(Cl)cc2)C(C)(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.