O=C(NC=NOCc1cccc(C(F)(F)F)c1)N1OC[C@@H]2COc3ccc4ccccc4c3[C@@H]21
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?