[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch2][Branch2][S][C][C@@][Branch1][#C][O][C@H1][Ring1][=Branch1][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][O][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C@H1][C@H1][Branch2][=Branch1][S][C@H1][Branch2][=Branch1][#Branch2][O][C@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C@@H1][C@H1][Branch2][Branch1][=Branch1][C@@H1][Branch1][O][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C][O][O][C@H1][C@H1][Branch2][Ring1][P][O][C@H1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C@@H1][C@H1][Branch1][=C][O][C@H1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][C][O][C][O][N][C][=Branch1][C][=O][C][C][O][O][O]"}, {"from": "gpt", "value": "The molecule is a member of the class of neuraminic acids that is neuraminic acid attached in sequence to beta-D-galactopyranosyl, 2-acetamido-2-deoxy-beta-D-galactopyranosyl, beta-D-galactopyranosyl, and beta-D-gucoopyranose units by (2->3), (1->3), (1->4), and (1->4) glycosidic linkages, respectively. It corresponds to the carbohydrate portion of ganglioside GM1b. It is a member of neuraminic acids and an amino pentasaccharide."}]