Task: Please answer the multiple choice question.
Question: Is the molecule with the SMILES COC(=O)C1CC2C(c3ccccc3Br)C(OC(C)=O)C(OCc3ccccc3)ON2O1 active against the human immunodeficiency virus?
Constraint: Even if you are uncertain, you must pick either a or b without using any additional words.
Options:
a: False
b: True
Answer: a
Task: Please answer the multiple choice question.
Question: Is the molecule with the {SMILES__description} {#representation of |!}{SMILES#} {activity_HIV__names__adjective}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2%aA1} without using any {#other|additional!} words.
Options:
{activity_HIV%}
Answer: {%multiple_choice_result}
methyl 5-acetyloxy-4-(2-bromophenyl)-6-phenylmethoxy-2,3,3a,4,5,6-hexahydro-[1,2]oxazolo[2,3-b]oxazine-2-carboxylate