COc1ccccc1-c1cc(C(F)(F)F)n2ncc(S(=O)(=O)c3ccccc3)c2n1
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?