CCS(=O)(=O)c1nc(S(=O)(=O)c2ccc(C)cc2)c(N2CC(C)CC(C)C2)s1
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?