CC1=C(CC2C(=O)N(c3ccccc3)S(=O)(=O)NC2C)C(=O)N(c2ccccc2)S(=O)(=O)N1C
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?