CCOc1cc(/C=C2\C(=O)N(c3cccc(C(F)(F)F)c3)C(=O)c3ccccc32)ccc1O
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?