Using Cc1nc(Cl)c2ncn([C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)c2n1, N[C@H]1CC[C@H](O)CC1 to produce Cc1nc(N[C@H]2CC[C@H](O)CC2)c2ncn([C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.