Using CCOC(=O)c1coc2cc(NS(C)(=O)=O)c(Oc3ccccc3)cc2c1=O to produce CS(=O)(=O)Nc1cc2occ(C(=O)O)c(=O)c2cc1Oc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.