[{"from": "human", "value": "Could you provide a description of this molecule? [C][O][C][=C][C][=C][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is an agent thought to have disinfectant properties and used as an expectorant. Guaiacol is a phenolic natural product first isolated from Guaiac resin and the oxidation of lignin. Guaiacol is also present in wood smoke, as a product of pyrolysis of lignin. Guaiacol has been found in the urine of patients with neuroblastoma and pheochromocytoma."}]