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) COc1cc2c(cc1OC)c1c(OC)c(OC)cc3c1c1c2sc(=S)n1CC3
(b) Cn1c(N=[N+]=[N-])c([N+](=O)[O-])c(=O)n(C)c1=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}