Using [N-]=[N+]=[N-], Cc1cc2c3c(cc(C)c2[nH]c1=O)C(C)C(C)(CI)O3 to produce Cc1cc2c3c(cc(C)c2[nH]c1=O)C(C)C(C)(CN=[N+]=[N-])O3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.