The SMILES COC(=O)c1c(C#C[Si](C)(C)C)c(C#C[Si](C)(C)C)c(C#C[Si](C)(C)C)c(C#C[Si](C)(C)C)c1C(=O)OC is not active against the human immunodeficiency virus.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.