A compulsory voting law is a very bad idea. Citizens who do not wish to vote are usually the citizens who do not follow current affairs and would not know for which candidate to vote. Having a person “just pick one“ would not enhance the results of any public election.
The action would be protected by the ninth amendment is explaining medical problems to a personal physician. The text of the Ninth Amendment is very short and states the following: “The enumeration in the Constitution of certain rights shall not be construed to deny or disparage others retained by the people.”.
BTW love your makeup