[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is a synthetic, solid, fatty alcohol and nonionic surfactant. Cetyl alcohol is used as an emulsifying agent in pharmaceutical preparations."}]