Using Cc1c(C2CN3CCN(C(=O)OC(C)(C)C)CC3CO2)cccc1[N+](=O)[O-] to produce Cc1c(N)cccc1C1CN2CCN(C(=O)OC(C)(C)C)C[C@H]2CO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.