C[C@@H](c1ccccc1)N1C(=O)[C@@H]2[C@@H](CC[C@@H]3C(=O)C=C[C@@H](O)[C@H]32)C1=O
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?