The SMILES CCOC(=O)C=CC(=O)OC=C[N+](=O)[O-] is active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
1-O-ethyl 4-O-(2-nitroethenyl) but-2-enedioate