COc1ccc(C(CC(=O)c2ccc(O)cc2)C(C(=O)c2ccc(O)cc2)C(c2ccc(OC)cc2)C2C(=O)NC(=S)NC2=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?