Oc1ccc(=S)[nH]n1    mol6961    0_1
Oc1ccc(=S)[nH][nH+]1    mol6961    1_1
[O-]c1ccc(=S)[nH]n1    mol6961    -1_1
Oc1ccc(=S)[n-]n1    mol6961    -1_2