CC(=O)NC(C=O)C(O[C@H](C)C(=O)NC(C)C(=O)NC(CCC(N)=O)C(=O)OCc1ccccc1)C(O)C(O)COC(=O)CCNc1c2ccccc2nc2cccc([N+](=O)[O-])c12
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?