Task: Answer the MCQ question.
Question: Which drug exhibits a 12.490\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C1CCC([N+](=O)[O-])C(c2ccccc2F)N1
[b] CS(=O)(=O)N(CC(=O)Nc1ccccc1C(=O)N1CCCC1)c1ccccc1Br
Answer: a. O=C1CCC([N+](=O)[O-])C(c2ccccc2F)N1
{#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=C1CCC([N+](=O)[O-])C(c2ccccc2F)N1
O=C1CCC([N+](=O)[O-])C(c2ccccc2F)N1
6-(2-fluorophenyl)-5-nitropiperidin-2-one