The SMILES Nc1nc(=S)c2[nH]cnc2[nH]1 is from a molecule that is identified as clinically toxic.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {clinical_toxicity#not &NULL}identified as {clinical_toxicity__names__adjective}.
2-amino-3,7-dihydropurine-6-thione