The molecule with the SMILES representation of NCc1ccc(-c2ccc(-c3ccc(-c4ccc(CN)s4)s3)s2)s1 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}.