Using COC(=O)c1ccc2c(c1)CN(S(=O)(=O)c1c(C)cc(OC)cc1C)CC2 to produce COc1cc(C)c(S(=O)(=O)N2CCc3ccc(CO)cc3C2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.