[{"from": "human", "value": "Describe this molecule. [C][C][C][=C][Branch2][Ring1][#Branch2][C][=C][Branch1][P][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][=Branch1][C][=O][O][C][O][C][Ring1][S][=O][C]"}, {"from": "gpt", "value": "The molecule is a member of coumarins."}]