Using CCC(Oc1ccccc1[N+](=O)[O-])C(NC(=O)OC(C)(C)C)C(=O)O to produce CCC(Oc1ccccc1N)C(NC(=O)OC(C)(C)C)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.