Using COC(=O)CP(=O)(OC)OC, O=Cc1ccc(Cl)c([N+](=O)[O-])c1 to produce COC(=O)C=Cc1ccc(Cl)c([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.