COc1ccc2[nH]c3c(c2c1)CCN1C(=O)C(CC(=O)NCc2ccco2)C[C@H](C(=O)N2CCCCC2)[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?