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) CCc1cn(C2CC(CO)C(CO)S2)c(=O)[nH]c1=O
b) CC1=CC(=O)C(=Cn2c(=S)[nH]c3ccc([N+](=O)[O-])cc32)C(=O)O1
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-[4,5-bis(hydroxymethyl)thiolan-2-yl]-5-ethylpyrimidine-2,4-dione