C=CC[C@@H]1C=C[C@H](O/N=C(\C)CCN2CCc3nc(-c4ccccc4)c(-c4ccccc4)cc3C2)[C@H](CO)O1
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?