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] Brc1ccc(-c2ccc(-c3ccc(-c4ccc(Br)s4)s3)s2)s1
[b] Cc1ccc(C=C2NC(=S)SC2=O)cc1
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}
4-[(4-methylphenyl)methylidene]-2-sulfanylidene-1,3-thiazolidin-5-one