O=C1/C(=C/Nc2cccnc2Cl)C(=O)N(C2CCCCC2)C(=O)N1CCCCl
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?