Using CCOC(=O)C(CC)(C(=O)O)C(CCc1ccc(CC(C)C)cc1C(=O)O)C[N+](=O)[O-] to produce CC(C)COC(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.