CC(C)(C)OC(=O)C[C@@H]1C/C=C\C[C@@H](CC(=O)N[C@@H](CO)Cc2ccccc2)C(=O)NCCOC1=O
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?