FIXED!
I found out how to get it working.
So, for all of you out there as dumb as me, here is how to do it:
- In open office, mark your chapter titles with the heading 2 style as kovidgoyal suggested.
- hit C to convert you tile.
- Under structure, select the wand icon beside "detect chapters at (Xpath expression): and choose h2 from the dropdown.
- and convert!
- Yay.
Glenn