Using CCCCCCCCCCC(C)(C)C(=O)Nc1c(C)c([N+](=O)[O-])c(C)c2c1OC(C)(C)C2 to produce CCCCCCCCCCC(C)(C)C(=O)Nc1c(C)c(N)c(C)c2c1OC(C)(C)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.