Task: Answer the multiple-choice question.
Query: Which compound has a 16.017\% 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(OC)c(C2SCCCS2)cc1OC
b: CCC1CCCCN1CCCNC(=O)c1ccc2c(c1)NC(=O)CN2C
c: O=C(CN1CCN(Cc2ccccc2)CC1)Nc1ccc(-n2cnnn2)cc1
d: Cc1cc(C)c2cc(CN(CC3CCCO3)C(=S)NCc3ccco3)c(=O)[nH]c2c1
Answer: b. CCC1CCCCN1CCCNC(=O)c1ccc2c(c1)NC(=O)CN2C
{#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#}
CCC1CCCCN1CCCNC(=O)c1ccc2c(c1)NC(=O)CN2C
CCC1CCCCN1CCCNC(=O)c1ccc2c(c1)NC(=O)CN2C
N-[3-(2-ethylpiperidin-1-yl)propyl]-1-methyl-3-oxo-2,4-dihydroquinoxaline-6-carboxamide