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 additional words.
Options:
a: CCCCCCCSc1nc2c(C(=O)OCC)ncn2c2ccccc12
b: O=C(NNC(=O)c1ccccc1S)c1ccccc1S
c: CNC(=O)N(CCC#N)CCN(C(=O)NC)c1ccccc1
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}