Using NO, Cc1ccc(S(=O)(=O)n2cc(I)c3cc(C#N)ccc32)cc1 to produce Cc1ccc(S(=O)(=O)n2cc(I)c3cc(C(N)=NO)ccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.