Based on the SMILES CN1NC2=NCCCN2C1=O, the molecule exhibits no activity against HIV.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
2-methyl-1,5,6,7-tetrahydro-[1,2,4]triazolo[4,3-a]pyrimidin-3-one