[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an unsaturated heparin disaccharide that is 2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose in which the hydroxy group at position 4 has been glycosylated by a 4-deoxy-2-O-sulfo-alpha-L-threo-hex-4-enopyranosiduronic acid moiety. Sequence: DUA2S-GlcNS. It is an oligosaccharide sulfate, an unsaturated heparin disaccharide and a member of sulfamic acids. It is a conjugate acid of a HP_dp02_0008(3-)."}, {"from": "gpt", "value": "[C][=C][Branch2][Branch1][C][O][C@H1][Branch1][P][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][C@@H1][C@H1][Branch2][Ring1][=Branch1][O][C@@H1][Branch1][P][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][N][S][=Branch1][C][=O][=Branch1][C][=O][O][O][C][O][C][=Branch1][C][=O][O]"}]