Task: Please answer the multiple choice question.
Question: Which molecules are not active against HIV?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccc2nc3cc(Cl)ccc3c(NCCNCCCNC(=O)c3cc(-c4ccccc4)nc4ccccc34)c2c1
b. O=[N+]([O-])c1nc(Br)n(F)c1[N+](=O)[O-]
Answer: a, 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}