Is the SMILES CCOC(=O)C=CC(=O)OC=C[N+](=O)[O-] active against the human immunodeficiency virus:yes
Is the {SMILES__description} {SMILES#} {activity_HIV__names__adjective}:{activity_HIV#no&yes}
1-O-ethyl 4-O-(2-nitroethenyl) but-2-enedioate