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] O=C1CC2C(O1)C(O)CN1C(=O)c3ccccc3C21
[b] CCOC1OC(CO[Si](C)(C)C(C)(C)C)C(O)CC1n1ccc(=O)[nH]c1=O
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}
1-[6-[[tert-butyl(dimethyl)silyl]oxymethyl]-2-ethoxy-5-hydroxyoxan-3-yl]pyrimidine-2,4-dione