0 ? 1 2 3 5 6 
unmatched
matched
matched
unmatched
matched
unmatched
matched
unmatched
unmatched
unmatched
matched
matched
0 ? 1 2 3 5 6 
matched
matched
unmatched
unmatched
matched
matched
unmatched
matched
matched
unmatched
matched
matched
unmatched
matched
unmatched
mol  0
atom  0 -> 2
atom  1 -> 1
atom  2 -> 0
atom  3 -> ?
mol  1
atom  0 -> ?
atom  1 -> ?
atom  2 -> ?
mol  2
atom  0 -> 2
atom  1 -> 1
atom  2 -> 0
OCC>CC>CCO |ha:0,1,2,5,6,7,hb:0,1,3,4|
unmatched
matched
matched
unmatched
unmatched
matched
matched
matched
unmatched
matched
unmatched