[{"from": "human", "value": "Could you provide a description of 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 (S,R,S)-stereoisomer of alpha-tocopherol. It is an enantiomer of a (R,S,R)-alpha-tocopherol."}]