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 additional words.
Options:
a) COc1cc(-c2cc(CCC(=O)Nc3ccccc3[N+](=O)[O-])n(-c3ccc([N+](=O)[O-])cc3[N+](=O)[O-])n2)ccc1O
b) O=C(Nc1ccccc1)OCCN=c1c2ccccc2ccc2ccccc12
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}