Does the front of the closet have an area above it which is not part of the doors, ie a fixed part between the top of the door and the ceiling ? If so, that would be a great place for on QS and the other could be ceiling mounted at a similar distance.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8