COc1ccc(C2=NO[C@@H]3C(=O)N(c4ccc5c(c4)OCCO5)C(=O)[C@H]23)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?