Well, your cat would first need a four year degree, and then be accepted into med school. Couple years of that, then residency, and your cat will have made Doc.
Do you honestly expect anybody to answer that for you? Home-making potent psychedelics has nothing to do w/ harm reduction.
Hello, I understand that your cat may not have read the rules but I am assuming you are a human and therefore are expected to read the rules before posting.