The molecule with the SMILES representation of Nc1nc(=S)c2[nH]cnc2[nH]1 exhibits no clinical toxicity.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {clinical_toxicity#no &NULL}{clinical_toxicity__names__noun}.
2-amino-3,7-dihydropurine-6-thione