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 CC(=O)N1CCN(CCCCN2c3ccccc3Sc3cc(N=[N+]=[N-])ccc32)CC1
b O=C(Nc1ccc(C2=NCCN2)cc1)c1cc(C(=O)Nc2ccc(C3=NCCN3)cc2)ncn1
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}