COc1cc(/C=C/c2nc3cc(Cl)ccc3c(=O)n2-c2cccc(C(F)(F)F)c2)cc(OC)c1OC
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?