Using [N-]=[N+]=NCC[C@@H]1C[C@@H]1C1CCN(c2ncc(Cl)cn2)CC1 to produce NCC[C@@H]1C[C@@H]1C1CCN(c2ncc(Cl)cn2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.