COC(=O)C1=C(C(=O)OC)[C@]2([C@H]3C/C=C\CN[C@@H](Cc4ccccc4)C(=O)N3Cc3ccccc3)C=C[C@H]1O2
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?