Using CCOC(=O)c1cc(=O)c2cc(Oc3ccccc3)c(NS(C)(=O)=O)cc2o1 to produce CS(=O)(=O)Nc1cc2oc(C(=O)O)cc(=O)c2cc1Oc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.