Cc1nc(-n2nc(-c3ccccc3)cc2-c2ccccc2)sc1C(/C=C/c1ccc([N+](=O)[O-])cc1)=N/NC(N)=S
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?