CCSc1ccc2c(c1)N(CCCN1CCN(C)CC1)c1ccccc1S2.O=C(O)C[C@@H](O)C(=O)O.O=C(O)C[C@@H](O)C(=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?