COc1ccc(/C=C2\C(=O)N(C(=O)c3ccc(NC(C)=O)cc3)N=C2C)cc1OC
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?