Using COC(=O)[C@@H](NS(=O)(=O)c1ccc(-c2ccc(NC(=O)c3oc4cccc(OC)c4c3C)cc2)cc1)C(C)C to produce COc1cccc2oc(C(=O)Nc3ccc(-c4ccc(S(=O)(=O)N[C@H](C(=O)O)C(C)C)cc4)cc3)c(C)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.