text: ### Instruction: Please extract the template of the following log line:
  ### Input: config.pinyin.sogou.com:80 error : Could not connect through proxy proxy.cse.cuhk.edu.hk:5070 - Proxy closed the connection unexpectedly.
  ### Template: <*>:<*> error : Could not connect through proxy <*>:<*> - Proxy closed the connection unexpectedly.