[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][C@@][Branch1][O][O][C@@H1][Ring1][=Branch1][C@@H1][Branch1][Ring1][C][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][C@H1][Branch2][Ring1][#Branch2][C@@H1][C@@H1][Branch2][Ring1][Ring2][C@@H1][Branch1][S][C][C@@][Branch1][Ring2][O][Ring1][=Branch1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a disaccharide comprising an alpha-3,4-dehydro-3,4,5-trideoxy-Kdo residue joined via a (2->8)-linkage to 3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid (Kdo)"}]