O=C(/C=C/c1cccc([N+](=O)[O-])c1)N1CCN(CCOC(c2ccccc2)c2ccccc2)CC1.O=C(O)/C=C\C(=O)O
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?