Using CCOC(C)=O, O=C1NC(=O)C(Cc2cc(Cl)c(Oc3ccc(O)c(S(=O)(=O)NC4CC4)c3)c(Cl)c2)S1 to produce COc1ccc(Oc2c(Cl)cc(CC3SC(=O)NC3=O)cc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.