CCN1C(=O)[C@H]2[C@@H](C1=O)[C@@H](c1ccc(OC)cc1)N1C(=O)CN(Cc3ccccc3)C(=O)[C@@]21Cc1ccccc1
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?