CCOP(=S)(OCC)Oc1ccc2c(c1)OC(=O)[C@]1(Cl)[C@@]2(C)[C@]2(Cl)C(=O)Oc3cc(OP(=S)(OCC)OCC)ccc3[C@]12C
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?