CCc1cc(CC(NC(C)=O)C(=O)NCCCCC(=O)NC(C(=O)O)c2c[nH]c3ccccc23)ccc1N(C(=O)C(=O)O)c1ccccc1C(=O)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?