COc1ccc([N+](=O)[O-])c(OC)c1C(=O)NC(=O)Nc1c(F)c(F)c(F)c(F)c1F
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?