CC(C)CN(C(=O)CSc1nn(-c2ccc(Cl)cc2)c(=S)s1)C1CCS(=O)(=O)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?