Cn1cc2ccccc2c1-c1nc(F)nc(Oc2ccc3c(c2)CC[C@@H]2C3CC[C@@]3(C)C2CC[C@@H]3O)n1
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?