COc1ccccc1N1CCN(C(=O)c2cc(N3C(=O)C4C5CCC(C5)C4C3=O)ccc2Cl)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?