Note: This only works if they are split by simple binary chopping, not by re-encoding.
The inclusion of "HEVC" is a critical technical detail. HEVC is the successor to the widely used Advanced Video Coding (AVC / H.264) standard. Data Compression Efficiency Honeymoon.Suite.Room.No.911.S01E01T03.720p.HEVC...
It looks like you’re trying to format a filename for a video file, likely a fan edit, personal recording, or a custom series. Note: This only works if they are split