CC1=C(CC[C@H](C)CO)O[C@@H]2C[C@@H]3[C@H]4CC[C@H]5C[C@@H](O)CC[C@]5(C)[C@@H]4CC(=O)[C@@]3(C)[C@@H]12
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?