The SMILES CC(C)[Si](OC1=CCCC2NC(=O)C(Cc3ccc([N+](=O)[O-])cc3)C12C)(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}.