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 other words.
Options:
a: Cn1c(-c2ccc(Br)cc2)cc2nc(S)nc(N)c2c1=O
b: O=C(CCC(NC(=O)OCc1ccccc1)C(=O)OCc1ccccc1)Nc1ccc(OCc2ccccc2)cc1
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}