Task: Answer the multiple choice question.
Query: Which drug exhibits a 4.768\% 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 other words.
Options:
(a) COc1ccccc1N(CC(=O)NCCc1ccccc1)C(=O)CCC(=O)Nc1ccccn1
(b) Cc1cccc(OCc2n[nH]c(=S)o2)c1
(c) Cc1[nH]c2ccc(C(=O)NCCCN3CCCC3)cc2c1C
(d) O=C(C1CCCO1)N1CCN(C(=S)Nc2ccccc2Cl)CC1
Answer: a. COc1ccccc1N(CC(=O)NCCc1ccccc1)C(=O)CCC(=O)Nc1ccccn1
{#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#}
COc1ccccc1N(CC(=O)NCCc1ccccc1)C(=O)CCC(=O)Nc1ccccn1
COc1ccccc1N(CC(=O)NCCc1ccccc1)C(=O)CCC(=O)Nc1ccccn1
N'-(2-methoxyphenyl)-N'-[2-oxo-2-(2-phenylethylamino)ethyl]-N-pyridin-2-ylbutanediamide