Task: Please answer the multiple choice question.
Question: Is the molecule with the SMILES representation of CCOC(=O)C=CC(=O)OC=C[N+](=O)[O-] active against HIV?
Constraint: Even if you are uncertain, you must pick either a or b without using any additional words.
Options:
a: True
b: False
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}
1-O-ethyl 4-O-(2-nitroethenyl) but-2-enedioate