Using CCOC(=O)CBr, CC(C)(C)OC(=O)Nc1ccc(O)c([N+](=O)[O-])c1 to produce CCOC(=O)COc1ccc(NC(=O)OC(C)(C)C)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.