Using CCOC(=O)C(C)=Cc1ccc2cc([N+](=O)[O-])ccc2c1 to produce CC(=Cc1ccc2cc([N+](=O)[O-])ccc2c1)C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.