Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 13.784\% 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: Cc1cc(/C=C\c2nc(O)c([N+](=O)[O-])c(=O)[nH]2)c(C)n1-c1ccccc1
b: c1cncc(CNC2=NCCC2)c1
Answer: b. c1cncc(CNC2=NCCC2)c1
{#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#}
c1cncc(CNC2=NCCC2)c1
c1cncc(CNC2=NCCC2)c1
N-(pyridin-3-ylmethyl)-3,4-dihydro-2H-pyrrol-5-amine