CC1(C)O[C@H]2[C@@H](O1)[C@@H](C(=O)Nc1ccc(F)c(F)c1)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. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?