[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][Branch2][Ring1][#Branch2][C@H1][Branch2][Ring1][Branch1][C@@H1][C@H1][Branch1][S][C@@H1][Branch1][N][C@@H1][Branch1][Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is the D-glycero-diastereomer of alpha-D-manno-heptopyranose; a key structural component of the outer cell membrane in Gram-negative bacteria, found in the conserved core oligosaccharide region."}]