Cc1ccc(Cn2c(CCNc3nc(-c4ccc(Cl)c([N+](=O)[O-])c4)cs3)nc3cc(Cl)c(Cl)cc32)cc1
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?