[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a trisaccharide derivative that consists of 6-sulfated D-glucose having an alpha-L-fucosyl residue attached at position 3 and a 3-sulfated beta-D-galactosyl residue attached at position 4. It has a role as an epitope. It is an oligosaccharide sulfate and a trisaccharide derivative."}, {"from": "gpt", "value": "[C][C@H1][C@H1][Branch2][=Branch1][N][C@H1][Branch2][=Branch1][#Branch1][C@@H1][Branch2][=Branch1][C][C@@H1][Branch1][Ring2][O][Ring1][=Branch1][O][C@H1][C@@H1][Branch2][Ring1][#Branch1][C@H1][Branch1][#Branch2][O][C][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][C@H1][C@@H1][Branch2][Ring1][=Branch2][C@H1][Branch1][=N][C@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][O][S][=Branch1][C][=O][=Branch1][C][=O][O][O][O][O][O]"}]