CCOC(=O)[C@@H]1[C@H]2COc3ccc(Br)cc3[C@@H]2N2C(=O)N(c3cccc(F)c3)C(=O)[C@@]12C
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?