O=C(O)/C=C/C(=O)O.OCCCNc1nccc(-c2c(-c3ccc(F)cc3)nn3cc(C(F)(F)F)ccc23)n1
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?