The SMILES Cc1cc2c(cc1C)C(=O)C1(C2)Cc2c(ccc(C)c2C)C1=O represents a molecule that displays no activity against the human immunodeficiency virus.
The {SMILES__description} {SMILES#} {#represents|is from!} a molecule that {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.
4,5,5',6'-tetramethyl-2,2'-spirobi[3H-indene]-1,1'-dione