A quick park and dash, this location is highly visible, so exercise care to avoid muggles!
You are looking for a mid sized pill bottle, wrapped in grey duct tape. You will find it hidden under two palm sized rocks in a place that will be obvious once you see it.
Ng gur onfr bs gur evqtr ebnq fvta cbfg. Or fher gb chg gur ebpxf onpx!