Using Clc1nc(Cl)nc(N[C@H]2CCc3ccccc32)n1, N[C@@H]1C[C@H](CO)[C@@H](O)[C@H]1O to produce OC[C@H]1C[C@@H](Nc2nc(Cl)nc(N[C@H]3CCc4ccccc43)n2)[C@H](O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.