I can't directly "make" or generate a subtitle file (SRT) from scratch since I don't have the video file to transcribe, but I can point you to the best ways to get one that matches your specific BluRay version.
: For most players (like VLC), name the .srt file exactly the same as your movie file (e.g., The.Book.of.Henry.2017.720p.BluRay.x264.srt ). subtitle The.Book.of.Henry.2017.720p.BluRay.x26...
: Usually the most reliable for specific scene releases. Search for "The Book of Henry" and look for the version that mentions "BluRay" or "x264" in the title to ensure it's synced. I can't directly "make" or generate a subtitle