COc1cc2nc(-c3cccs3)nc(N3CCN(c4ccccc4C(F)(F)F)CC3)c2cc1OC
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?