Task: Answer the multiple-choice question.
Query: Which compound exhibits a 5.809\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1cc(NC(=O)CN2CCCCC2)c(C)cc1[N+](=O)[O-]
b: O=C(CN1C(=O)C2C3CC(C(Br)C3Br)C2C1=O)N1CCOCC1
c: CC(NC(=O)CNC(=O)c1ccc2c(c1)OCO2)c1ccc(S(N)(=O)=O)cc1
d: COc1ccccc1C(=O)NCC(=O)N1CCN(c2ncccn2)CC1
Answer: a. COc1cc(NC(=O)CN2CCCCC2)c(C)cc1[N+](=O)[O-]
{#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#}
COc1cc(NC(=O)CN2CCCCC2)c(C)cc1[N+](=O)[O-]
COc1cc(NC(=O)CN2CCCCC2)c(C)cc1[N+](=O)[O-]
N-(5-methoxy-2-methyl-4-nitrophenyl)-2-piperidin-1-ylacetamide