[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a white crystalline solid. "}, {"from": "gpt", "value": "[C][C][Branch1][Ring2][O][Ring1][Ring1][C][N][C][=Branch1][C][=O][N][Branch2][Ring1][C][C][=Branch1][C][=O][N][Branch1][Branch1][C][Ring1][Branch2][=O][C][C][C][O][Ring1][Ring1][C][C][C][O][Ring1][Ring1]"}]