CCc1ccc(NC(=O)c2ccc3c(O)c(S(=O)(=O)c4ccccc4)c(=O)[nH]c3c2)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?