COc1cc(C2C(C(=O)Nc3cc(F)c(F)cc3F)=C(C)NC(C)=C2C(=O)Nc2cc(F)c(F)cc2F)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?