Can anyone get org-babel to work with clojure? It's not executing

cannot find slime

have this in my init.el

;; 
(org-babel-do-load-languages
    'org-babel-load-languages '((js . t) (python . t) (R . t)))
(require 'cider)
(require 'ob-clojure)
(setq org-babel-clojure-backend 'cider)