That should be able to come out rather easy with some cutting compound. When you get it wet does it almost disappear?
I was at my parents with all the nieces and nephews outside playing around the cars, and one of them dragged their coat jacket all across my hood, putting a streak of gashes into the clear. I was able to get it mostly buffed out using ScratchX. I don't have any cutting compound right now to do the job properly.