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 or b without using any additional words.
Options:
a: CC1(C)CC(=O)c2c(nc(SSc3nc4c(c(-c5ccc(Br)cc5)c3C#N)C(=O)CC(C)(C)C4)c(C#N)c2-c2ccc(Br)cc2)C1
b: CCc1cc(-c2cccc3ccccc23)c(C#N)c(=S)n1C1OC(CO)C(O)C(O)C1O
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}