0  B12R1.7  CCCCCCC1=NN=C(S1)N 1895039 [0,2,0,0,0,0|2,0,0]=4
1  B12R1.7  CCCOCCC1=NN=C(S1)N 3135539 [0,2,0,0,0,0|2,0,0]=4