C#C[C@]1(O)CCC2C3C(CC[C@@]21C)[C@@]1(C)CC[C@@H](O)CC1=C[C@H]3O
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?