CC(=O)c1ccc(N2CCN(S(=O)(=O)c3c(C(=O)N4CCCC4)c(C)n(C)c3C)CC2)cc1
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?