The below doesn't mention anything about needing to be night IFR, so if you were to shoot an approach on this flight, would it be legal? Also, if the instructor isn't a CFII, but PIC does have an instrument rating?
(iv) One 2-hour cross country flight in a single engine airplane in
nighttime conditions that consists of a total straight-line distance
of more than 100 nautical miles from the original point of departure;