CN(Cc1ccccc1)C(=O)c1cccc(NC(=O)Cc2ccc(NC(=O)C3CCN(S(=O)(=O)c4cccc([N+](=O)[O-])c4)CC3)cc2)c1
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?