CC(C)c1cc(C(C)C)c(S(=O)(=O)NNC(=O)c2ccncc2)c(C(C)C)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?