[{"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][=Branch1][=N][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=N][C][=Branch1][C][=O][N][C][C][N][=C][Ring1][Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}]