Br.CN1C(c2ccc(F)cc2)=CS/C1=C(/C#N)c1nnc(N2CCOCC2)n1-c1ccccc1
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?