If you can't click the mouse button to copy the chords to markers with the script I made you will just need to type all the chords into the Plugin manually.
I asked them a year ago in the Cubase forum. Have you asked them in the Cubase forum ? that would be a solution.
Reaper has scripting to do anything you need, same with Ardour and Studio One to a lesser extent.
There is a script in this forum for Chords to Markers for Studio One
https://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Number=553751#Post553751