Cc1cc2nc(-c3ccc(SCC(=O)Nc4ccc(S(=O)(=O)NC5CC5)cc4)nc3)[nH]c2cc1C
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?