[{"from": "human", "value": "Describe this molecule. [C][C][=Branch1][C][=O][N][C@@H1][C@H1][Branch1][#C][C@H1][Branch1][O][C@H1][Branch1][=Branch1][O][C@H1][Ring1][=Branch1][O][C][O][O][O][C@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C][=C][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is a monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of beta-D-4-deoxy-Delta(4)-GlcpA-(1->3)-beta-D-GalpNAc. It is a monocarboxylic acid anion and a carbohydrate acid derivative anion. It is a conjugate base of a beta-D-4-deoxy-Delta(4)-GlcpA-(1->3)-beta-D-GalpNAc."}]