CCC(=O)Nc1ccc(S(=O)(=O)NCc2ccc3c(c2)CCN3C(=O)c2ccc(C)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?