COc1ccc(C2C(C#N)=C(S)N(C3OC(CO)C(O)C(O)C3O)C(C)=C2C(C)=O)cc1
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?