[{"from": "human", "value": "Please give me some details about this molecule. [C][C][=C][Branch2][Ring2][S][C][=C][Branch2][Ring2][C][C][C][C@@][Branch1][Ring2][O][Ring1][=Branch1][Branch1][C][C][C][C][C][C@@H1][Branch1][C][C][C][C][C][C@@H1][Branch1][C][C][C][C][C][C][Branch1][C][C][C][C][=Branch1][=Branch1][=C][Ring2][Ring1][O][O][C][C]"}, {"from": "gpt", "value": "The molecule is the (R,S,S)-stereoisomer of alpha-tocopherol. It is an enantiomer of a (S,R,R)-alpha-tocopherol."}]