Using CCOC(=O)CC(C)=O, Cc1oc2c([N+](=O)[O-])cccc2c1CCl to produce CCOC(=O)C(Cc1c(C)oc2c([N+](=O)[O-])cccc12)C(C)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.