COc1ccc(C(=O)N2CCN(C)C(=O)[C@@H]2C)cc1OC1CCN(C(C)=O)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?