[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is the alpha-anomer of D-fructuronate. It is a conjugate base of an alpha-D-fructuronic acid."}, {"from": "gpt", "value": "[C][Branch2][Ring1][=Branch2][C@][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][O]"}]