Get some Vetericyn Wound Spray or Hibiclens and water, and spray the wounds. Water or saline will work until you can get one of those. Then apply plain Neosporin or Triple Antibiotic Ointment to the open wounds. You may need your parents to help you examine them to see if it might be best to put her down. Vent damage can affect her ability to poop and lay eggs. Watch for infection, and help her to eat and dry by offering them. Keep her isolated in a dog crate. Be sure to make your coop predator proof today because the raccoon will be back again. So sorry for your loss. Permethrin can be helpful to treat flies, but can be toxic if you raise bees.