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 or b without using any other words.
Options:
a O=S1(=O)OC(c2cc(Cl)c(O)c(Br)c2)(c2cc(Cl)c(O)c(Br)c2)c2ccccc21
b CCOCC(CN(CC)CC)N(CC)CC(=O)Nc1c(C)cccc1C
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}