Based on the SMILES representation Cc1cc(C)c(P2C(=C(O[Si](C(C)C)(C(C)C)C(C)C)C(C)(C)C)C2(c2ccccc2)c2ccccc2)c(C)c1, the molecule displays no activity against HIV.
Based on the {SMILES__description} {#representation |!}{SMILES#}, the molecule {#shows|exhibits|displays!} {activity_HIV#no &NULL}{activity_HIV__names__noun}.