[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a gamma-lactone."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C@@H1][C][C][=Branch1][C][=C][C@@H1][Branch2][Ring1][=N][C][C][C@@][Branch2][Ring1][=Branch1][C@H1][Branch1][Ring2][O][Ring1][Ring1][C@@H1][C@@H1][Ring1][N][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][#Branch1][C][O][O]"}]