Task: Please answer the multiple choice question.
Question: Which molecules are active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] BrCC[N+]12CC[N+](CCBr)(CC1)C2
[b] O=[N+]([O-])c1ccccc1C1SCc2nc3ccccc3n21
Answer: 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}
1-(2-nitrophenyl)-1,3-dihydro-[1,3]thiazolo[3,4-a]benzimidazole