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, b, or c without using any other words.
Options:
a. O=C1CS(=O)(=O)C2(CCCCC2)C(=O)N1
b. NC(=S)Nc1nc(S)nc2[nH]ccc12
c. O=[N+]([O-])c1ccccc1S(=O)(=O)c1ccccc1[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}