You probably can’t, but you can try this:
Try to copy a folder (and its content) and rename it to the desired format.
Then perform the library update and see if Plex has recognized the file as a duplicate, using its ‘bogohash’ value.
If that was successful, you can delete the ‘original’ folder and update the library once again and then empty the trash.
Another way would be to edit the path in the Plex database directly: [HowTo] Plex database modification - Moving media the right/wrong way
Or you could try to utilize this agent, to write your manual edits into Kodi-compatible .nfo files: [REL] Lambda (Local Assets-Metadata Double Agent) for Plex Metadata export)
