CC(=O)c1sc(-c2nc(C)c(C(=O)/C=C\c3ccc(/C=C\C(=O)c4sc(-c5nc(C)c(C(C)=O)s5)nc4C)cc3)s2)nc1C
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?