[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a galactosiduronic acid in which beta-D-galacturonic acid is linked glycosidically to a 3-aminopropyl group. It is a conjugate acid of a 3-aminopropyl beta-D-galactopyranosiduronate."}, {"from": "gpt", "value": "[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][O][O][O]"}]