Using Clc1cc(Oc2ccc3[nH]ccc3c2)ncn1, [N-]=[N+]=[N-] to produce [N-]=[N+]=Nc1cc(Oc2ccc3[nH]ccc3c2)ncn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.