Using COc1ccc(NC(=O)c2cc([N+](=O)[O-])ccc2NC(=O)c2ccc(C(C)(C)C)cc2)cc1 to produce COc1ccc(NC(=O)c2cc(N)ccc2NC(=O)c2ccc(C(C)(C)C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.