CCCCCCN1C[C@@H](O)[C@H](n2cc(C3CC3)nn2)C[C@@H]1c1ccc(Cl)cc1
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?