Task: Please answer the multiple choice question.
Question: Which molecules are 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)C(Cc1c[nH]c2ccccc12)NP(=O)(OC)OCC1OC(n2cc(C)c(=O)[nH]c2=O)CC1N=[N+]=[N-]
b: CN1C(=O)c2cccc3c([N+](=O)[O-])ccc(c23)C1=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}