COC(=O)N1[C@H]2Cc3c(OC)c(C)c(OC)c(OC)c3[C@@H]1/C(=C\c1cc(OC)c(OC)c(C)c1OC)N(Cc1ccccc1)C2=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?