Using CCOC(=O)Cc1cccc(Oc2ccccc2Cl)c1NS(C)(=O)=O to produce CS(=O)(=O)Nc1c(CC(=O)O)cccc1Oc1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.