Using COc1cccc([N+](=O)[O-])c1CBr, CCOC(=O)C(NC(C)=O)C(=O)OCC to produce CCOC(=O)C(Cc1c(OC)cccc1[N+](=O)[O-])(NC(C)=O)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.