C/C=C/[C@H]1[C@@H]2C(=O)[C@]3(Cl)[C@H](C(=O)[C@]12Cl)[C@H]3/C=C/C
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?