Cc1ccc(S(=O)(=O)N2C[C@H]3C(=O)C[C@@H](c4ccccc4)N(S(=O)(=O)c4ccc(C)cc4)[C@H]3C[C@H]2c2cccc3ccccc23)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?