The SMILES CCOC(=O)C=CC(=O)OC=C[N+](=O)[O-] represents a molecule that shows 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}.
1-O-ethyl 4-O-(2-nitroethenyl) but-2-enedioate