[{"from": "human", "value": "Describe this molecule. [C][Branch1][O][C@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][S][O][O][S]"}, {"from": "gpt", "value": "The molecule is a 1,4-dithiothreitol. It is an enantiomer of a L-1,4-dithiothreitol."}]