Task: Please answer the multiple choice question.
Question: Which molecules are not active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(Cc1nc2ccc([N+](=O)[O-])cc2nc1O)C(=O)Nc1ccccc1[N+](=O)[O-]
[b] CSc1c(S(C)=O)[nH]c2cc(Br)cc(Br)c12
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}