Cc1nc(Cc2nnc(SC(C)C(=O)N3c4ccccc4NC(=O)C3(C)C)o2)cs1
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?