[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][Ring1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is the simplest member of the class of flavans that is chromane substituted by a phenyl group at position 2."}]