Support arbitrary additional info in filenames

Infuse 4 Pro in my ATV4 recognizes the filename : “The Damned (1969).m4v” and automatically fetches the correct metadata.
However I usually add language suffixes to indicate which soundtracks and subtitles are embedded in the file, e.g. “The Damned (1969).en.sten.stfr.m4v”, in which case infuse doesn’t automatically fetch metadata anymore. (this naming worked well with the synology video server I was previously using)
Is there some naming convention to add information in the filename that doesn’t interfere with infuse metadata fetching?