It looks like you’re referencing a specific clip from the file (English subtitled version), with a timestamp around 01:58:38 and the label “Min” — likely a character or actress name abbreviation.

This is the sequential release number within that specific label's catalog. 2. "Engsub" – Language Accessibility

This is the label or studio prefix. This specific prefix is associated with S1 No. 1 Style , one of the largest and most prominent adult media producers in Japan.

The term convert in your keyword hints at converting subtitle formats or embedding them into a video container. Common conversions:

This specific naming convention is typically used by automated upload scripts to ensure users can identify the content, language, and length before clicking or downloading.