COc1cc(OC)c(OC)cc1/C=C/c1nc2cc3ccccc3cc2c(=O)n1-c1ccc(F)cc1F
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?