Using COC(=O)Cc1ccc(O)c(Cl)c1, O=C1NC(=O)c2cc([N+](=O)[O-])c(Cl)cc21 to produce COC(=O)Cc1ccc(Oc2cc3c(cc2[N+](=O)[O-])C(=O)NC3=O)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.