O=C(c1cnccn1)N1CCC[C@@]2(CCN(Cc3cc(C(F)(F)F)cc(C(F)(F)F)c3)C2)C1
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?