CC(=O)NC1C(OC2OC(CC(O)C3OC([N+]4=CCC(=O)NC4=O)C(O)C3O)C(O)C(O)C2NC(=O)/C=C/CCCCCCCCC(C)C)OC(CO)C(O)C1O
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?