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 other words.
Options:
a. CC1(C)C2CC1C(Cc1ccc(CC3c4cc(-c5ccccn5)ncc4C4CC3C4(C)C)cc1)c1cc(-c3ccccn3)ncc12
b. COC(=O)c1c(C)cccc1C1CN=NC12Cc1c(C)cccc1C2=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}