CC1(c2ccc(OCC#N)cc2)C=C(c2ccc(OCC#N)cc2)n2nc(C(F)(F)F)nc2N1
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?