Task: Please answer the multiple choice question.
Question: Which molecules are not active against HIV?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COC(=O)CC1N=C(NC#N)N(CCc2c[nH]c3ccccc23)C1=O
[b] CC1(C)C=C(C=NNc2ccc(Br)cc2)C(C#N)=C(O)C1(C#N)C#N
Answer: a, 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}