CCCCC(=O)N1C/C=C\C(c2ccc(OC)cc2)N(Cc2ccc(F)cc2)C(=O)C1Cc1ccccc1
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?