Task: Answer the multiple-choice question.
Question: Which compound exhibits a 4.708\% human ether-à-go-go related gene (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=C(CN1CCN(c2ccccn2)CC1)Nc1ccc2ccccc2c1
(b) O=C(Nc1cccc(C(F)(F)F)c1)C(Sc1cccc[n+]1[O-])c1ccccc1
(c) Cc1cc(C)cc(NC(=S)N2CCC(NC(=O)c3ccccc3C)CC2)c1
Answer: a. O=C(CN1CCN(c2ccccn2)CC1)Nc1ccc2ccccc2c1
{#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(CN1CCN(c2ccccn2)CC1)Nc1ccc2ccccc2c1
O=C(CN1CCN(c2ccccn2)CC1)Nc1ccc2ccccc2c1
N-naphthalen-2-yl-2-(4-pyridin-2-ylpiperazin-1-yl)acetamide