CC(C)(C)C(=O)O[C@H]1CC[C@@]2(C)C(=CC(=O)C3C4C[C@H](F)C(=O)[C@@]4(C)CCC32)C1
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?