Drag the Pulverisateur to the desktop and then double click in the timeline to create a new note region. Then double click the region to open it. You should see a piano view now. Double click to create a note.
I have choosen the same notes you used in the bassline. Then you can tweak the knobs. Basically I shifted the notes some octaves down as well. The rest depends on your taste and the sound you want to achieve. Playing with the filter envelope is a good idea.