CC(C)(C)OP(=O)(OC(C)(C)C)C(O)c1ccc(/C=C(\C#N)C(N)=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?