CO[C@@H]1/C=C\O[C@@]2(C)Oc3c(C)c(O)c4c(c3C2=O)/C(=N/[C@H]2CC[C@H](O)O[C@@H]2C)C=C(NC(=O)/C(C)=C\C(=O)[C@@H]2C[C@@H]2[C@@H](O)[C@H](C)[C@@H](O)[C@H](C)[C@H](OC(C)=O)[C@@H]1C)C4=O
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?