COc1cc(Cl)c([C@@H]2C[C@H]3CN(c4ccccc4)C(=O)[C@]34CCCN24)cc1OC
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?