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 other words.
Options:
(a) COc1cccc(NC(S)=C(C(=O)c2ccc([N+](=O)[O-])cc2)[n+]2ccccc2)c1
(b) COc1cc2c(cc1OC)-c1[nH]c(=N)sc1CC2
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}