O=C1NC(c2ccc(-c3ccccc3[N+](=O)[O-])o2)C(C(=O)c2ccc(Cl)cc2)C(O)(C(F)(F)F)N1
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?