[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a heparin tetrasaccharide consisting of 4-deoxy-2-O-sulfo-L-threo-hex-4-enopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-D-glucopyranosyl, 2-O-sulfo-L-idopyranuronosyl and 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranose joined in sequence by alpha-(1->4) linkages. Sequence: DUAp2S(1-4)-a-D-GlcNpS6S (1-4)-a-L-IdoAp2S(1-4)-a-D-GlcNpS6S. It is a heparin tetrasaccharide, an amino tetrasaccharide and an oligosaccharide sulfate."}, {"from": "gpt", "value": "[C][=C][Branch2][=Branch2][=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][#Branch1][#Branch2][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@H1][C@@H1][Branch2][Branch1][#C][C@H1][Branch2][Branch1][C][C@@H1][Branch1][#Branch2][O][C@H1][Ring1][=Branch1][C][=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][S][=Branch1][C][=O][=Branch1][C][=O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}]