Using C[C@H]1[C@H](OCC(C)(C)C)OC[C@H]([C@@H](O)[C@H](Cc2cc(F)cc(Br)c2)[N+](=O)[O-])N1C(=O)OC(C)(C)C to produce C[C@H]1[C@H](OCC(C)(C)C)OC[C@H]([C@@H](O)[C@@H](N)Cc2cc(F)cc(Br)c2)N1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.