CC1CCCC(NC(=O)COC(=O)c2ccc(S(=O)(=O)N3CCOCC3)cc2)C1C
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?