The general gist of this prophecy is that Iran will go through a period of judgment (this is separate from The Fall of Elam prophecy, although the two may coincide at some point in the process of this), followed by a period of revival, that will restore Iran to a free, and Godly nation.  However, God needs to remove the evil from that land before it can be removed as a God hating "goat" nation, and turned into a God fearing "sheep" nation,