The SMILES Oc1c([Si](c2ccccc2)(c2ccccc2)c2ccccc2)cc2ccccc2c1-c1c(O)c([Si](c2ccccc2)(c2ccccc2)c2ccccc2)cc2ccccc12 is not active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.