It looks like you're trying to identify or label a video file for . Based on the fragment you provided, here’s the most likely complete and properly formatted filename:
Nacho Libre (2006) {imdb-tt0457510} [1080p WEB-DL DDP5.1 H.264]-PMTP.mkv Nacho Libre 2006 1080p PMTP WEB-DL DDP 5 1 H 26...