Using [O-][Cl+][O-], CCCn1c(=O)c2nc(C34CCC(CC=O)(CC3)CC4)[nH]c2n(CCC)c1=O to produce CCCn1c(=O)c2nc(C34CCC(CC(=O)O)(CC3)CC4)[nH]c2n(CCC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.