O=C(N/C(=C\c1ccc(/C=C(\NC(=O)c2ccccc2)c2nc3c(O)nc(S)nc3[nH]2)cc1)c1nc2c(O)nc(S)nc2[nH]1)c1ccccc1
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?