[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a tetrasaccharide derivative that is a methyl tetraarabinofuranoside corresponding to part of the arabinomannanan portion of the lipoarabinomannan from Mycobacterium tuberculosis. It has a role as an epitope."}, {"from": "gpt", "value": "[C][O][C@@H1][C@H1][Branch2][=Branch1][C][C@@H1][Branch2][Branch1][=N][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][C@@H1][C@H1][Branch2][Ring2][#C][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][C@@H1][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][C@H1][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][Branch1][C][O][O][O][O][O][O]"}]