CC(C)(C)CC(C)(C)NC1=Nc2ccc([N+](=O)[O-])cc2N[C@@]12C[C@@H]1CCN3C(=O)CCC[C@H](C2)[C@H]13
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?