OC(C/C=N/N=C/CC(O)(C(F)(F)Cl)C(F)(F)Cl)(C(F)(F)Cl)C(F)(F)Cl
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?