Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at 1uM of a drug with the SMILES O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccccc2Br)CC1?
Constraint: You must return none, one or more options from a or b without using any additional words.
Options:
a -3.870
b -21.830
Answer: b. -21.830\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccccc2Br)CC1
O=C(c1ccc(-n2cncn2)c([N+](=O)[O-])c1)N1CCN(S(=O)(=O)c2ccccc2Br)CC1
[4-(2-bromophenyl)sulfonylpiperazin-1-yl]-[3-nitro-4-(1,2,4-triazol-1-yl)phenyl]methanone