Using Nc1ncccn1, Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O to produce Nc1ncnc2c1ncn2[C@@H]1O[C@H](CO)C(O)N(c2ncccn2)C1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.