Task: Answer the MCQ question.
Question: Which compound exhibits a 2.889\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) O=C(CSc1nnnn1C1CCCC1)NCc1ccc2c(c1)OCO2
(b) S=C1NCN(Cc2ccco2)CN1
(c) O=C(/C=C/c1ccccc1[N+](=O)[O-])NC1CCCC1
Answer: c. O=C(/C=C/c1ccccc1[N+](=O)[O-])NC1CCCC1
{#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(/C=C/c1ccccc1[N+](=O)[O-])NC1CCCC1
O=C(/C=C/c1ccccc1[N+](=O)[O-])NC1CCCC1
(E)-N-cyclopentyl-3-(2-nitrophenyl)prop-2-enamide