What is the detected character encoding for the file 'shisei UTF-8.txt'?

What is the detected character encoding for the file 'shisei UTF-8.txt'?: a task in jupyter-agent-eval-v1 — Harbor task suite (Harbor dataset). You have access to the following files: - file guide.csv - olaf Windows-1251.txt - shisei UTF-8.txt - die ISO-8859-1.txt - harpers ASCII.txt - yan…