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 other words.
Options:
a COC1(c2ccccc2C)OC(=O)c2c(C)cccc21
b NC1=C(O)c2cccc3cccc(c23)C1=O
c Clc1ccc(NC2=NCCN=C(Nc3ccc(Cl)cc3)SS2)cc1
d CCCCCCCCCCCCC(F)C(=O)OCC1OC(n2cc(C)c(=O)[nH]c2=O)CC1N=[N+]=[N-]
Answer: a, d
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}