CCN(CC)S(=O)(=O)c1cccc(C(=O)N[C@H](C(=O)Nc2nc3ccccc3s2)C(C)C)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?