CN(C)S(=O)(=O)c1ccc(N2CCCC2)c(C(=O)Nc2nc(-c3ccc(F)c(F)c3)cs2)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?