Using Sc1c(Cl)cccc1Cl, COc1ccc(S(=O)(=O)c2c(C)n(CC(=O)O)c3ccc(C)cc23)cc1 to produce Cc1ccc2c(c1)c(Sc1c(Cl)cccc1Cl)c(C)n2CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.