C=CC[C@@H](CC(=O)OC(C)(C)C)C(=O)OC[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](CC=C)CC(=O)N[C@H](CO)Cc1ccccc1
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?