I think you need something like this

    Total[#1 - #2] & @@ Partition[#, Length[#]/2] &[
     Times @@ MapIndexed[Subscript[x, #2[[1]]]^# &, Boole[MCSs], {2}]]

![enter image description here][1]


  [1]: https://i.sstatic.net/EcVwu.png