Task: Please answer the multiple choice question.
Question: Which molecules are not active against the human immunodeficiency virus?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CCCCCC=C(c1cc(Cl)c(OC)c(C(=O)O)c1)c1cc(Cl)c(OC)c(C(=O)O)c1
[b] Cc1cc(Br)cc(C)c1NC(=O)C(=O)Nn1c(=S)[nH]c2ccccc2c1=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}