Cc1ccc(S(=O)(=O)c2nnn3c2nc(NC2CCN(Cc4ccccc4)CC2)c2ccccc23)cc1C
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?