Using COC(=O)C(C(=O)OC)c1ccc([N+](=O)[O-])c(OCc2ccccc2)c1, CN1CCCC1=O to produce COC(=O)C(C)(C(=O)OC)c1ccc([N+](=O)[O-])c(OCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.