COC(=O)[C@@H]1C[C@@H]2CC[C@@H](O)C[C@@H]2N1Cc1ccccc1OS(=O)(=O)c1ccc(C)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?