Using CCOC(=O)C(C)Br, O=[N+]([O-])c1ccc(Cl)c(O)c1 to produce CCOC(=O)C(C)Oc1cc([N+](=O)[O-])ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.