Using COc1cccc2c1C(=O)c1c(OC)cc(NS(C)(=O)=O)cc1C2=O to produce CS(=O)(=O)Nc1cc(O)c2c(c1)C(=O)c1cccc(O)c1C2=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.