COc1ccc2[nH]c3c(c2c1)CCN1C(=O)N([C@@H](C)C(=O)NCCc2ccc(OC)c(OC)c2)C(=O)[C@]31C
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?