Problem statement: Answer the multiple-choice question.
Query: Which drug has a 12.912\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a CCOC(=O)Cc1csc(NS(=O)(=O)c2ccc(Br)cc2)n1
b O=C(Nc1cc2cccc([N+](=O)[O-])c2oc1=O)c1cccs1
c C=C1CN(Cc2ccccc2)S(=O)(=O)c2ccccc21
Answer: b. O=C(Nc1cc2cccc([N+](=O)[O-])c2oc1=O)c1cccs1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Nc1cc2cccc([N+](=O)[O-])c2oc1=O)c1cccs1
O=C(Nc1cc2cccc([N+](=O)[O-])c2oc1=O)c1cccs1
oxido-oxo-[2-oxo-3-(thiophene-2-carbonylamino)chromen-8-yl]azanium