COc1ccc(Cl)cc1NC(=O)[C@H]1O[C@@H]2OC(C)(C)O[C@@H]2[C@H]2OC(C)(C)O[C@@H]12
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?