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, b, c, or d without using any other words.
Options:
a: O=c1[nH]nc(-c2ccc3ccccc3c2)[nH]1
b: CC(=O)Oc1ccc(C2SCc3nc4ccccc4n32)cc1
c: CC1=NN(C(=O)CC(=O)Nc2ccccc2)C(=O)C1N=Nc1ccc(S(N)(=O)=O)cc1
d: Cn1c(=O)c(NC(=O)C(Cl)(Cl)Cl)nc2ccccc21
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}