Using CC(C)(C)OC(=O)NCCCCCCNS(=O)(=O)c1ccccc1[N+](=O)[O-] to produce NCCCCCCNS(=O)(=O)c1ccccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.