CS(=O)(=O)O.O[C@@H](c1cc(C(F)(F)F)nc2c(Cl)cc(Cl)cc12)[C@@H]1CCCCN1
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?