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, or c without using any other words.
Options:
a. NCCC(=O)NCS(=O)(=O)O
b. Nc1nc(S)c2c(ncn2CC(O)CO)n1
c. CCOC(=O)C1=C(Nc2ccc(Br)cc2)OCC1=NNC(=O)c1ccccc1O
Answer: 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}