COc1cccc(CNCc2c(C(=O)O)c(C)n(Cc3ccc(F)cc3Cl)c2C)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?