Using CCOC(=O)CBr, CC(C)(C)OC(=O)N1C[C@H](N=[N+]=[N-])[C@@H](O)C1 to produce CCOC(=O)CO[C@H]1CN(C(=O)OC(C)(C)C)C[C@@H]1N=[N+]=[N-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.