Task: Please answer the multiple choice question.
Question: Which molecules are active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Cc1cn(C2CC(N=[N+]=[N-])C(COC(=O)CCCCCCCCCc3ccccc3)O2)c(=O)[nH]c1=O
b. Brc1ccc(C=NC23CC4CC(CC(C4)C2)C3)cc1
c. O=C(O)c1cc(O)ccc1O
d. CCCCCCCCCCCCCCCCCC(=O)OCC1OC(OC)C(NC(=O)N(CCCl)N=O)C(O)C1O
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}