[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][Branch1][C][C][Branch1][C][C][C][C][Branch1][C][C][Branch1][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][O]"}, {"from": "gpt", "value": "The molecule is a poly(ethylene glycol) derivative that is poly(ethylene glycol) in which one of the terminal hydroxy groups has been converted into the corresponding p-(2,4,4-trimethylpentan-3-yl)phenyl ether. It has a role as a nonionic surfactant."}]