The trailing "Es..." likely stands for (Español). This could mean the primary audio track is Spanish, or Spanish subtitles are included. Given the filename truncation, it might also indicate "Es" as part of a group tag (e.g., a release team suffix). But logically, it points to the audio language. For a film possibly shot in Spanish or released on a Spanish-language platform, this makes sense. If the film is originally in another language, the Spanish track could be a dub or secondary audio.
It seems you've provided a string that appears to be a filename or a code for a video file, specifically:
Elena exhaled. She replayed the footage on the tiny LCD screen. But all that remained was a smear of pixels, a digital ghost. The file had saved as corrupt metadata: A.Flower.Aflame.2016.1080p.AV1.WEBRip.AAC5.1.Es…