O=c1n(-c2ccccc2)c(=O)n2n1CC[C@H]1/C(=N\OC[C@@H](O)COCc3ccco3)[C@H]3O[C@@H]3[C@@H](O)[C@@H]12
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?