COc1ccc(C2=NO[C@H]3C[C@](C(=O)NC(C)C)(S(=O)(=O)c4ccccc4)C[C@@H]23)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?