[{"from": "human", "value": "Describe this molecule. [C][C@@H1][C@H1][Branch2][Ring1][C][C@@H1][Branch1][=C][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C][O][C][O][N][C][=Branch1][C][=O][C@H1][Branch1][Ring2][C][C][O][O]"}, {"from": "gpt", "value": "The molecule is an N-acyl-hexosamine that is the methyl alpha-glycoside of the terminal moiety, and presumed antigenic determinant, of the O-specific polysaccharide of Vibrio cholerae O:1, serotype Ogawa. It has a role as an epitope. It is a N-acyl-hexosamine and a methyl mannoside. It is functionally related to an alpha-D-mannose."}]