Problem statement: Answer the multiple-choice question.
Query: Which compound has a 27.834% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=C(Nc1ccccc1Cl)c1cc[n+]([O-])cc1
b: NC1=NC(=O)C2(COC(c3cccnc3)OC2)S1
c: CC(=O)C1C(=O)C=C(c2cccs2)CC1c1ccccc1
d: Cn1c(=O)c2c(ncn2CC(=O)OCC(=O)c2ccc(Cl)cc2)n(C)c1=O
Answer: a. O=C(Nc1ccccc1Cl)c1cc[n+]([O-])cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=C(Nc1ccccc1Cl)c1cc[n+]([O-])cc1
O=C(Nc1ccccc1Cl)c1cc[n+]([O-])cc1
N-(2-chlorophenyl)-1-oxidopyridin-1-ium-4-carboxamide