COc1cc2c(cc1OC)[C@H]1CN3CCC[C@H]3C=C1c1ccc(OC)c(O)c1-2
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?