This molly is thrown from on top of truck.
Stand right against the back of the cab along the left side of the truck:
Point your crosshair on the trim below this eye beneath the crane:
JUMP THROW. Your molly should land here:
This is a really useful retake smoke on Cache, because quad is the strongest place to defend A site from when the bomb is planted safe. This version of the molly is especially useful because you don't have to expose yourself to A main or forklift.