CCOC(=O)[C@@]12NN=N[C@@H]1[C@H]1CO[C@H](c3ccccc3)N1C2=O
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?