COc1cccc([C@H]2Oc3ccc(OC)cc3/C(=N\O[C@@H](C)c3cn([C@H](CO)Cc4ccccc4)nn3)[C@@H]2O)c1
A rotatable bond is defined as any single non-ring bond, attached to a non-terminal, non-hydrogen atom. How many bonds in the molecule are rotatable?