COC(=O)C(Cc1ccccc1)NC(=O)CNC(=O)CSc1nnc(COc2ccc(Cl)cc2)n1-c1ccccc1
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?