[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a GDP-sugar having 4-dehydro-3,6-dideoxy-alpha-D-mannose as the sugar fragment. It is functionally related to a GDP-alpha-D-mannose. It is a conjugate acid of a GDP-4-dehydro-3,6-dideoxy-alpha-D-mannose(2-)."}, {"from": "gpt", "value": "[C][C@@H1][C][=Branch1][C][=O][C][C@@H1][Branch2][Branch1][O][C@H1][Branch1][Ring2][O][Ring1][#Branch1][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@@H1][C@H1][Branch2][Ring1][=N][C@H1][Branch2][Ring1][Branch2][C@@H1][Branch1][Ring2][O][Ring1][Branch1][N][C][=N][C][=C][Ring1][Branch1][N][=C][Branch1][=Branch1][N][C][Ring1][=Branch1][=O][N][O][O][O]"}]