Using CCSc1cc(=O)c2c(OC)cc(OC)c([C@H]3CCN(C)C[C@H]3O)c2o1 to produce CCSc1cc(=O)c2c(O)cc(O)c([C@H]3CCN(C)C[C@H]3O)c2o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.