CCOC(=O)CCCCCC(=O)Nc1ccc2c(c1)CC(=O)N([C@H](C)CO)C[C@H](C)[C@H](CN(C)S(=O)(=O)c1ccc(OC)cc1)O2
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?