The molecule with the SMILES representation of CC(C)(C)[Si](OC1CC(n2cnc3c(N)ncnc32)OC1CO)(c1ccccc1)c1ccccc1 shows no activity against HIV.
The molecule with the {SMILES__description} {#representation of |!}{SMILES#} {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.