Using COC(=O)c1ccc(-c2nc(CS(=O)(=O)c3ccc(OC)c(OC)c3)c(C)o2)cc1 to produce COc1ccc(S(=O)(=O)Cc2nc(-c3ccc(C(=O)O)cc3)oc2C)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.