Task: Answer the multiple-choice question.
Query: Which compound exhibits a -12.971\% human ether-à-go-go related gene (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: CCN1C(=O)C(CC(=O)NCCc2ccccc2)N(NC(=O)c2cccnc2)C1=S
b: Cc1c(C(=O)N2CCCCCC2)c(S(=O)(=O)Nc2ccc(F)cc2)c(C)n1C
c: COC(C)c1oc2c(C)c3oc(=O)cc(C)c3cc2c1C
Answer: a. CCN1C(=O)C(CC(=O)NCCc2ccccc2)N(NC(=O)c2cccnc2)C1=S
{#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#}
CCN1C(=O)C(CC(=O)NCCc2ccccc2)N(NC(=O)c2cccnc2)C1=S
CCN1C(=O)C(CC(=O)NCCc2ccccc2)N(NC(=O)c2cccnc2)C1=S
N-[3-ethyl-4-oxo-5-[2-oxo-2-(2-phenylethylamino)ethyl]-2-sulfanylideneimidazolidin-1-yl]pyridine-3-carboxamide