[{"from": "human", "value": "Provide a description of this molecule. [C][C][O][C][=C][Branch2][Ring1][Ring1][C][=C][C][=C][C][Branch1][Branch2][O][C][Ring1][=Branch1][=C][Ring1][#Branch2][Branch1][C][C][C][O][C]"}, {"from": "gpt", "value": "The molecule is a member of chromenes. It has a role as a member of precocenes."}]