COc1ccc2c(c1)CN([C@H](C)[C@@H]1CC[C@@H]3[C@H]4CC[C@H]5C[C@@H](O)CC[C@@]5(C)[C@H]4CC[C@]31C)CO2
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?