Cc1cccc(C(C)(C)C)c1NC(=O)/C(Cc1nc2ccc([N+](=O)[O-])cc2nc1O)=N\NC(=O)C[N+](C)(C)C.[Cl-]
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?