As a former local mountain rescue troop, I firmly tell you not to do this with your limited experience. It would be far better for you to do this with an experienced guide who has done the MR.
Check out this video of experienced climbers doing the MR.
https://www.youtube.com/watch?v=TJ9oAGllI7QCan you do this?
Do the regular trail instead. This would give you a better idea how you will perform at 14,000.
Don't let ambition cloud your judgement.
