[{"from": "human", "value": "Please give me some details about this molecule. [C][O][C][=Branch1][C][=O][C@][Branch2][Ring1][=Branch1][C][C@H1][Branch1][P][C@H1][Branch1][=N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C@@H1][Branch1][Ring1][C][O][O][O][O][O][C][C@H1][Branch2][Ring1][=C][C@@H1][C@@H1][Branch2][Ring1][Branch2][C@@H1][Branch2][Ring1][Ring1][C][C@@][Branch1][Ring2][O][Ring1][=Branch1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][C][C][=C][O][O][O].[Na+1]"}, {"from": "gpt", "value": "The molecule is the sodium salt of alpha-Kdo1Me-(2->8)-alpha-Kdo-OAll, a disaccharide derivative consisting of two 3-deoxy-alpha-D-manno-oct-2-ulopyranonosyl units joined via an alpha-(2->8)-linkage with an O-allyl group at the anomeric centre and with the carboxy group of the residue at the non-reducing end methyl-esterified. It contains an alpha-Kdo1Me-(2->8)-alpha-Kdo-OAll(1-)."}]