CC(=O)Oc1cc(Cl)c(C)c2c1[C@H]1CC[C@]3(C)[C@@H](OC(C)=O)CC[C@H]3[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?