[{"from": "human", "value": "Please give me some details about this molecule. [C][C][O][C][Branch1][=Branch2][O][C][Branch1][Ring2][O][Ring1][=Branch1][C][C]"}, {"from": "gpt", "value": "The molecule is classified as a central nervous system (CNS) depressant and has also been found to be an effective anticonvulsant, hypnotic and sedative agent due to its CNS depressant properties. Paraldehyde is used as an ingredient in some cough medicines as an expectorant, but its efficacy for this indication has not been confirmed and its use as an expectorant may possibly be due to a placebo effect."}]