C[C@]12c3[nH]c4ccc(Cl)cc4c3CCN1C(=O)[C@@H](CC(=O)NCCC1=CCCCC1)C[C@@H]2C(=O)N1CCOCC1
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?