COc1ccc2c(c1)CC[C@@H]1[C@@H]2CC[C@]2(C)C(=O)/C(=C/c3cc(OC)c(OC)c(OC)c3)C[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?