[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][O][C@@H1][Branch1][#Branch1][C@H1][Branch1][Ring1][C][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is the L-enantiomer of threitol. It has a role as an algal metabolite. It is an enantiomer of a D-threitol."}]