Your Nomad is in Zwartberg (EBZW), suggested routing is 1400ft BUN vor then between Antwerp and Brussels CTR, then direct MAK NDB dct EBKT,
you could route BUN-NIK-MAK through Antwerp CTR but if they have IFR traffic expect in their CTR routing via VFR waypoints LIERA-KONTI-RUPEL
On this routing you could ask Brussels info 126.9 to get FL40/60 through the Brussels TMA, you might get it
Going direct EBZW-EBKT over Brussels will not be possible as you will cross then both the arrival and departure traffic