我想了解太阳系行星的英文名称，| |请你用英文列出所有行星的名称，并用json格式输出。不要有缩写和其他额外的内容。

{"planets":["Mercury","Venus","Earth","Mars","Jupiter","Saturn","Uranus","Neptune"]}
user
{"planets":["Mercury","Venus","Earth","Mars","Jupiter","Saturn","Uranus","Neptune"]}
assistant