Using CC(C)(C)[O-], C[C@@](CO)(NC(=O)CCl)c1cc(Br)cc([N+](=O)[O-])c1 to produce C[C@H]1OCC(=O)NC1c1cc(Br)cc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.