Task: Answer the multiple-choice question.
Question: Which compound exhibits a 13.802\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=c1c2c3c(sc2nc2sc(CN4CCCCC4)cn12)CCCC3
b: CCc1ncc(C)nc1CC
c: Cc1nn(-c2ccc(C(=O)O)cc2)c(=O)c2ccccc12
d: O=C(NNC(=O)c1cccnc1)c1ccncc1
Answer: d. O=C(NNC(=O)c1cccnc1)c1ccncc1
{#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(NNC(=O)c1cccnc1)c1ccncc1
O=C(NNC(=O)c1cccnc1)c1ccncc1
N'-(pyridine-4-carbonyl)pyridine-3-carbohydrazide