The SMILES CCCC[Si](CCCC)(CCCC)OC(C=CC(=O)OCC)C(Cc1ccccc1)O[Si](CCCC)(CCCC)CCCC is not active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.