CC1CC(C(F)F)n2nc(C(=O)Nc3sc4c(c3C#N)CCC(C(C)(C)C)C4)nc2N1
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?