CC(C(=O)NC(C)(C)C)N(C(=O)C[S+]([O-])CC(=O)Nc1ccc(F)cc1)C1CCCC1
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?