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, or c without using any other words.
Options:
a) O=C1N=C2Sc3ccc4ccccc4c3N2C1=O
b) Cc1nn(C(=O)Cc2ccccc2)c2c1C(c1ccc([N+](=O)[O-])cc1)SC(=N)N2
c) O=C(C=Cc1ccsc1)c1ccc(Cl)cc1
Answer: 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}