[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a member of coumarins."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][O][C][=C][Branch2][Ring1][#Branch1][C][=C][C][=C][Branch1][=Branch1][C][C][C][Ring1][Branch1][C][=Branch1][C][=O][O][C][Ring1][#Branch2][=C][Ring1][=C][Cl]"}]