Using COc1ccc([C@@H](O)Cc2c(Cl)c[n+]([O-])cc2Cl)cc1OC, O=Cc1ccc(C(=O)O)s1 to produce COc1ccc([C@H](Cc2c(Cl)c[n+]([O-])cc2Cl)OC(=O)c2ccc(C=O)s2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.