[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@H1][C@H1][Branch2][=Branch1][C][C@@H1][Branch2][Branch1][=N][C@H1][Branch2][Branch1][Ring2][O][C][Ring1][=Branch1][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@@H1][C@H1][Branch2][Ring1][Branch2][C@H1][Branch2][Ring1][Ring1][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=C][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][O][O][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a UDP-N-acetyl-mannosaminouronic acid in which the N-acetyl-mannosaminouronic acid fragment has D-configuration. It is functionally related to a N-acetyl-D-mannosaminouronic acid. It is a conjugate acid of an UDP-N-acetyl-D-mannosaminouronate(3-)."}]