[{"from": "human", "value": "What can you tell me about this molecule? [C][O][C@H1][C@@H1][Branch2][Branch1][C][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][C@H1][C@@H1][Branch2][Ring1][N][C@H1][Branch1][S][C@@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O-1][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][O]"}, {"from": "gpt", "value": "The molecule is the carbohydrate acid derivative anion formed from beta-D-GlcA3S-(1->3)-beta-D-Gal-OMe by loss of two protons, one from each of its sulfo and carboxy groups. It is a carbohydrate acid derivative anion and an organosulfate oxoanion. It is a conjugate base of a beta-D-GlcA3S-(1->3)-beta-D-Gal-OMe."}]