77七

@echo off
cd /d "%~dp0"
for /f "delims=" %%i in ('dir /b /a-d "*_track*_[chi].srt"') do (
	set "str=%%i"
	setlocal enabledelayedexpansion
	for /f "delims=|" %%a in ("!str:_track=|!") do (
		endlocal
		ren "%%i" "%%a%%~xi"
	)
)
pause
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