O=C(NCc1ccc(Cl)cc1)C1CCCN(C(=O)c2cnn(-c3ccc(F)cc3)c2-n2cccc2)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?