Using COc1cc(C(=N)N)ccc1OS(C)(=O)=O, O=C(NCc1ccc(C(=O)O)cc1)OCc1ccccc1 to produce COc1cc(C(=N)N)ccc1OC(=O)c1ccc(CNC(=O)OCc2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.