[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][Branch1][C][C][Branch1][Ring1][C][O][O]"}, {"from": "gpt", "value": "The molecule is a glycol that is 1,2-butanediol carrying an additional methyl substituent at position 2. It derives from a hydride of an isopentane."}]