Cc1cccc(C)c1NC(=O)CS(=O)(=O)c1nc(-c2ccc(Cl)cc2)cn1-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?