CC(C)C[C@@H](CNCC(=O)[C@H](C)NC(=O)c1[nH]cnc1C(=O)N[C@@H](C)CN)NC(=O)c1[nH]cnc1C(=O)N[C@@H](CC(=O)O)C(=O)O.Cl
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?