CCc1cc2c(nc1CC)CCN(CC/C(C)=N/OC[C@H]1O[C@H](c3ccccc3)C=C[C@@H]1Oc1ccc(OC)cc1)C2
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?