Task: Please answer the multiple choice question.
Question: Which molecules are active against HIV?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C(CN1CCOCC1)NC1=NNC(=O)c2cccnc2N1
b. O=C(Nc1ccc(C2=NCCN2)cc1)c1ccc(C(=O)Nc2ccc(C3=NCCN3)cc2)c(Br)c1
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}