Task: Answer the multiple-choice question.
Query: Which drug has a 19.838\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=c1ccnc(Nc2ccc([N+](=O)[O-])cc2)[nH]1
b CCCCCCCCCCCCCCCC[N+](C)(C)CC.[Br-]
c CNC(=O)C(=O)NCC1CCCN1S(=O)(=O)c1cccs1
Answer: a. O=c1ccnc(Nc2ccc([N+](=O)[O-])cc2)[nH]1
{#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=c1ccnc(Nc2ccc([N+](=O)[O-])cc2)[nH]1
O=c1ccnc(Nc2ccc([N+](=O)[O-])cc2)[nH]1
oxido-oxo-[4-[(6-oxo-1H-pyrimidin-2-yl)amino]phenyl]azanium