Using CC(C)(C)c1ccc(C(=O)Nc2ccc([N+](=O)[O-])cc2C(=O)O)cc1 to produce CC(C)(C)c1ccc(-c2nc3ccc([N+](=O)[O-])cc3c(=O)o2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.