Using COc1ccc(C2Cc3ccccc3NC(=O)C2I)cc1, [N-]=[N+]=[N-] to produce COc1ccc(C2Cc3ccccc3NC(=O)C2N=[N+]=[N-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.