The SMILES CC(C)[Si](CC1=CCCCC12C(=O)N(COCC[Si](C)(C)C)c1ccccc12)(C(C)C)C(C)C is not active against HIV.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.