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] Cc1nn(C(=O)Cc2ccccc2)c2c1C(c1ccccc1O)SC(=N)N2
[b] COC(=O)C1=C(N)SSC1=C(N=Nc1ccc([N+](=O)[O-])cc1)[N+](=O)[O-]
Answer: a
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}