O=C(Oc1ccc(N(C(=O)c2ccncc2)S(=O)(=O)c2ccc(F)cc2)cc1)c1ccncc1
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?