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) CCCCCCCC1(N=[N+]=[N-])C(=O)c2ccccc2N(C)C1=O
(b) Cc1c(C(=O)c2ccccc2)n(COCCC[Se]c2ccccc2)c(=O)[nH]c1=O
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}
6-benzoyl-5-methyl-1-(3-phenylselanylpropoxymethyl)pyrimidine-2,4-dione