C=C1C(=O)OC2/C=C(\C)CC3C=C(CCC=C(C)CCC12)C(=O)O3
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?