Using COc1cc(N2CCC(=O)CC2)ccc1[N+](=O)[O-], CC(C)(C)OC(=O)N1C[C@@H]2C[C@H]1CN2 to produce COc1cc(N2CCC(N3C[C@@H]4C[C@H]3CN4C(=O)OC(C)(C)C)CC2)ccc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.