[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a member of coumarins."}, {"from": "gpt", "value": "[C][O][C][C][C][C][Branch1][Ring2][O][Ring1][Branch1][O][C][=C][C][=Branch2][Ring1][N][=C][C][=C][Branch1][=Branch2][C][=Branch1][C][=O][C][C][Ring1][=Branch1][C][=Branch1][C][=O][O][C][Ring1][O][=C][Ring2][Ring1][Ring1][Ring1][#C][O][C]"}]