The SMILES Nc1nc(N)c2nc(-c3ccccc3)c(N)nc2n1 represents a molecule that is not identified as toxic.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that is {clinical_toxicity#not &NULL}identified as {clinical_toxicity__names__adjective}.
6-phenylpteridine-2,4,7-triamine