Cc1nn(CCC#N)c(NC(=O)c2ccc(Cl)cc2)c1P(=O)(Nc1ccc([N+](=O)[O-])cc1)N1CCOCC1
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. Amide C-N bonds are not counted because of their high barrier to rotation.  How many rotatable bonds does the molecule have?