Using CCOC(=O)CC1Nc2cc(Cl)c(S(N)(=O)=O)cc2S(=O)(=O)N1 to produce NS(=O)(=O)c1cc2c(cc1Cl)NC(CC(=O)O)NS2(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.