Using Nc1ncnc2c1nnn2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O, O=C(Cl)c1ccccc1 to produce O=C(Nc1ncnc2c1nnn2[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.