I see this reply now that you were looking to add it but it is more difficult than expected.
viewtopic.php?f=4&t=6532I use 2 programs regularly which can rename files in this situation, maybe these can asssit?
MP3Tag:https://community.mp3tag.de/
Supporting Links:https://community.mp3tag.de/t/maximum-path-length/42047/7https://learn.microsoft.com/en-us/windows/win32/fileio/naming-a-file#maximum-path-length-limitationhttps://learn.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation?tabs=registry
OneCommander:https://onecommander.com/
Long Unicode Path support (not limited to Windows' 260 characters in path)