CC1(C)O[C@H]2[C@@H](O1)[C@@H](C(=O)Nc1ccccc1C(F)(F)F)O[C@@H]1OC(C)(C)O[C@H]21
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?