CCOC(=O)[C@]12C(=C(c3ccccc3)O[C@H]3C=CCC[C@H]31)C(=O)C(=O)N2c1ccccc1
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?