[{"from": "human", "value": "Describe this molecule. [C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is found in arabica coffee. 4-Ethylphenol (4-EP) is a phenolic compound produced in wine and beer by the spoilage yeast Brettanomyces. (Wikipedia) \n\n4-Ethylphenol belongs to the family of Phenols and Derivatives. These are compounds containing a phenol moiety, which is a benzene bearing an hydroxyl group."}]