Using [O-][Cl+][O-], CC(C)c1c(C=O)c2cnc(Cl)cc2n1Cc1ccccc1 to produce CC(C)c1c(C(=O)O)c2cnc(Cl)cc2n1Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.