Using O=C(Nc1nc2c(c(=O)o1)NCN2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O)OCc1ccccc1 to produce Nc1nc2c(ncn2[C@@H]2O[C@H](CO)[C@@H](O)[C@H]2O)c(=O)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.