[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a disaccharide consisting of two 3-deoxy-alpha-D-manno-oct-2-ulopyranonosyl units joined via an alpha-(2->4)-linkage."}, {"from": "gpt", "value": "[C][C@H1][Branch2][Branch1][#Branch1][C@H1][Branch2][Branch1][C][C@H1][Branch2][Ring2][Branch2][O][C@][Ring1][=Branch1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C@@H1][C][C@@][Branch1][#C][O][C@@H1][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C@@H1][Branch1][Ring1][C][O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C@@H1][Branch1][Ring1][C][O][O][O][O]"}]