Problem statement: Answer the multiple-choice question.
Question: Which compound has a 21.669\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1ccc(N=C2NC(=O)/C(=C/c3ccco3)S2)cc1
b) Cc1c(C(=O)C(=O)N2c3ccccc3CC2C)c2ccccc2n1C
Answer: a. COc1ccc(N=C2NC(=O)/C(=C/c3ccco3)S2)cc1
{#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#}
COc1ccc(N=C2NC(=O)/C(=C/c3ccco3)S2)cc1
COc1ccc(N=C2NC(=O)/C(=C/c3ccco3)S2)cc1
(5Z)-5-(furan-2-ylmethylidene)-2-(4-methoxyphenyl)imino-1,3-thiazolidin-4-one