CS/C1=C(\c2ccc(C)cc2)N(c2ccccc2)C(=O)C(=O)N(c2ccccc2)/C(c2ccc(C)cc2)=C(/SC)SS1
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?