FC(F)(F)c1ccc(C2[C@H]3CN(Cc4ccc(-c5ccccc5)cc4)[C@H](c4ccccc4)C34CC2(c2ccccc2)C4)cc1
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?