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) CCOC(=O)CNc1c(OCc2ccccc2)c(=O)c1=O
(b) N=C1N2N=C(c3ccccc3)SC2=N[NH+]1CC(=O)c1ccccc1.[Br-]
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}
ethyl 2-[(3,4-dioxo-2-phenylmethoxycyclobuten-1-yl)amino]acetate