Using COC(=O)Nc1ccc2c(c1O)O[C@@H](COS(=O)(=O)c1ccc(C)cc1)CO2 to produce Cc1ccc(S(=O)(=O)OCC2COc3ccc4[nH]c(=O)oc4c3O2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.