Using [N-]=[N+]=[N-], CC1(C)OCC(CCn2cnc3c(Cl)nc(N)nc32)CO1 to produce CC1(C)OCC(CCn2cnc3c(N=[N+]=[N-])nc(N)nc32)CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.