NC(Cc1ccc(N(CCCl)CCCl)cc1)C(=O)NC(CCC(=O)O)C(=O)O.O=C(O)C(F)(F)F
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?