CCc1ccccc1-n1c2c(cc(-c3nc(-c4ccc(Cl)cc4)cs3)c1=O)C(=O)CC(C)(C)C2
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?