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(C=Cc1ccc(O)c([N+](=O)[O-])c1)CC(=O)C=Cc1ccc(O)c([N+](=O)[O-])c1
b: CCCCCC=C(c1cc(Br)cc(C(=O)O)c1OC)c1cc(Br)cc(C(=O)O)c1OC.N
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}
1,7-bis(4-hydroxy-3-nitrophenyl)hepta-1,6-diene-3,5-dione