COc1ccc(/C=C(\NC(=O)c2ccccc2)C(=O)OC[C@@H]2CCC[N+]3(C)CCCCC23)cc1OC.[I-]
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?