Using COc1c(Cc2nnc(-c3ccco3)s2)cc([C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)c2ccccc12 to produce OC[C@H]1O[C@@H](c2cc(Cc3nnc(-c4ccco4)s3)c(O)c3ccccc23)[C@H](O)[C@@H](O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.