C=CCOC(=O)C1=C(C)OC(N)=C(C#N)[C@@]12C(=O)N(CC(N)=O)c1ccccc12
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?