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. Cc1nc2c(cc1C(=O)NN=Cc1ccc([N+](=O)[O-])cc1)c(=O)n(C)c(=O)n2C
b. Cc1cn(C2CC3C(COCN3O)O2)c(=O)[nH]c1=O
Answer: a
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}
1,3,7-trimethyl-N-[(4-nitrophenyl)methylideneamino]-2,4-dioxopyrido[2,3-d]pyrimidine-6-carboxamide