[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a white powder. "}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][Sn][Branch1][#C][O][C][=Branch1][C][=O][C][=C][C][=Branch1][C][=O][O][Ring1][=Branch2][C][C][C][C][C][C][C][C]"}]