COC(=O)c1ccc(C(=O)OC)c(NC(=O)c2cc3nc(-c4ccc(C)cc4)cc(C(F)(F)F)n3n2)c1
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?