Task: Please answer the multiple choice question.
Question: Which molecules are not active against HIV?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CC(C)[Si](OCC1CC(C#N)OC(C)(C)O1)(C(C)C)C(C)C
b. O=C(Nc1ccccc1[N+](=O)[O-])C(=O)C(C(=O)c1ccccc1-c1ccccc1)C1OC(=O)c2ccccc21
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {activity_HIV#not &NULL}{activity_HIV__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%activity_HIV%}
Answer: {%multiple_choice_result}