CC1(C)Cc2c(sc(NC(=O)C3CC(Cl)=CCC3C(=O)O)c2C#N)CO1
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?