[{"from": "human", "value": "Describe this molecule. [C][C][O][C][=Branch1][C][=O][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is the ethyl ester of mandelic acid. It is an ethyl ester and a secondary alcohol. It is functionally related to a mandelic acid."}]