CCCCN1C(=N)N([C@@H](CCC)CN2CCC[C@H]2CN2C(N)=NC[C@H]2CC(C)C)C[C@H]1Cc1ccccc1
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?