[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][Ring1][C][N][C][O][C@H1][C@@H1][Branch2][Ring1][Ring2][C@H1][Branch1][S][C@H1][Branch1][N][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][=Branch1][C][=O][O-1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a carbohydrate acid derivative anion in which the anionic species formed by proton loss from the carboxy function of beta-D-galacturonic acid is linked glycosidically to a 3-aminopropyl group. It is a conjugate base of a 3-aminopropyl beta-D-galactopyranosiduronic acid."}]