CC[C@@H]1CC[C@@H]2[C@H](CC[C@]3(C)[C@@H](O)CC[C@@H]23)[C@H]1C(=O)O
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?