[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a member of coumarins."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][Branch1][Ring1][C][=C][C][=C][C][=C][Branch1][O][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][C][Ring1][N][=O]"}]