CN(C(=O)c1cccc(NC(=O)Cc2ccc(NC(=O)C3CCCN(S(=O)(=O)c4cccc([N+](=O)[O-])c4)C3)cc2)c1)C1CCCC1
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?