CC1=C(C)C(=O)OC(C(C)(O)C2(O)CCC3(O)C4CC(Cl)C5(O)C(O)C=CC(=O)C5(C)C4CCC32C)C1
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?