CC(C)(C)[C@H](NC(=O)c1ccc(N)c(Cl)c1)C(=O)N1CCC[C@H]1C(=O)N[C@H](C#N)Cc1nnn[nH]1
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?