[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a white crystalline powder. Ester-like odor. "}, {"from": "gpt", "value": "[C][C][C][Branch1][#C][C][Branch1][O][C][C][Ring1][=Branch1][C][Branch1][Ring1][C][Br][Br][Br][Br]"}]