[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a bicyclic organonitrogen heterocyclic compound comprised of two ortho-fused pyrrolidine rings which share a common nitrogen atom. It is an organonitrogen heterocyclic compound and an organic heterobicyclic compound."}, {"from": "gpt", "value": "[C][C][C][C][C][C][N][Ring1][Branch1][C][Ring1][Branch2]"}]