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] O=C1C(c2ccccc2)=[N+]([O-])c2ccc(Cl)cc21
[b] O=C(NN1C(=O)C=CC1=O)c1ccccc1Nc1ccccc1C(=O)NN1C(=O)C=CC1=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}