The SMILES CCOC(=O)C=C1SC12C(C)(C)CCCC2(C)C is not active against the human immunodeficiency virus.
The {#molecule |!}{SMILES__description} {SMILES#} is {activity_HIV#not &NULL}{activity_HIV__names__adjective}.
ethyl 2-(4,4,8,8-tetramethyl-1-thiaspiro[2.5]octan-2-ylidene)acetate