[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a white microcrystalline powder. Odorless. Central nervous system stimulant."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][O][N][C].[C][C@@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][O][N][C].[O][S][=Branch1][C][=O][=Branch1][C][=O][O]"}]