Oc1ncnc2ccccc12    mol1427    0_1
[O-]c1nc[nH+]c2ccccc12    mol1427    0_2
Oc1[nH+]cnc2ccccc12    mol1427    1_1
Oc1nc[nH+]c2ccccc12    mol1427    1_2
[O-]c1ncnc2ccccc12    mol1427    -1_1