Cc1ccc(S(=O)(=O)Nc2c(C)n(C)n(-c3ccccc3)c2=O)cc1C(=O)OC(C)C(=O)N(C)c1ccccc1
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?