COc1cc(OC)cc(C(=O)NCC(=O)NCCN2C(=O)S/C(=C\c3ccccc3Cl)C2=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?