[{"from": "human", "value": "Provide a description of this molecule. [C][C@H1][Branch2][Branch1][Ring2][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][C][C][O][C@@H1][C@H1][Branch1][P][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an alpha-D-glucoside that is (27R)-1,27-dihydroxyoctacosan-3-one on which the hydroxyl hydrogen at position 1 has been replaced by an alpha-D-mannosyl residue. It has a role as a marine metabolite. It is an alpha-D-mannoside, a ketone and a monosaccharide derivative."}]