Using [N-]=[N+]=Nc1nc2cc(Cl)c(Cl)cc2n1[C@H]1C[C@H](O)[C@@H](CO)O1 to produce Nc1nc2cc(Cl)c(Cl)cc2n1[C@H]1C[C@H](O)[C@@H](CO)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.