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 other words.
Options:
a: CN1C(=S)C(c2ccccc2)Sc2ccccc21
b: COC1=C(C2=NC(C)(C)CO2)c2ccccc2C(CC=C[Si](C)(C)C)C1
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-methyl-2-phenyl-1,4-benzothiazine-3-thione