Using CCOC(=O)C1CC(Cc2ccccc2)C1, O=[N+]([O-])O to produce CCOC(=O)C1CC(Cc2ccc([N+](=O)[O-])cc2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.