CCC1=C(OC(=O)N(CC)CC)N2C(=O)O/C(=N\CC3CC3)[C@]2(Cc2ccccc2)[C@H]2C1=CC[C@H]1C(=O)N(CC(=O)OC)C(=O)[C@H]12
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?