CC[C@]12c3[nH]c4ccccc4c3CCN1C(=O)C(CC(=O)NCCc1ccccn1)C[C@@H]2C(=O)N1CCN(C(=O)c2ccco2)CC1
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?