[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][=N][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is the simplest member of the class of isoflavans that is chromane substituted by a phenyl substituent at position 3."}]