[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an indolizine alkaloid fundamental parent and an indolizidine alkaloid."}, {"from": "gpt", "value": "[C][C][C@H1][C][C][N][C@H1][Ring1][Branch1][C@@H1][Branch1][Ring2][C][Ring1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][O]"}]