Cn1c(=O)n2n(c1=O)[C@H]1[C@H](O)[C@H]3O[C@@H]3/C(=N/OC[C@@H](O)COCc3ccco3)[C@@H]1CC2
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?