CC[C@H](NC(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@@H](N)CS)C(=O)N[C@@H](CCCN=C(N)N)C(=O)N[C@@H](Cc1ccc(O)cc1)C(N)=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?