Task: Answer the multiple-choice question.
Question: Which compound exhibits a 3.184\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) O=C(NC(=S)Nc1ccc(Br)cc1)C1CCC1
(b) CCOc1ncccc1C(=O)OCC(=O)c1cc(OC)ccc1OC
(c) CCOC(=O)c1ccc(NC(=O)Nc2c(C)nn(C)c2C)cc1
(d) COc1ccccc1-c1nnc(SCc2ccccn2)n1C
(e) Cc1ccc(CS(=O)Cc2ccc(C(=O)NCc3ccccc3Br)o2)cc1
Answer: b. CCOc1ncccc1C(=O)OCC(=O)c1cc(OC)ccc1OC
{#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#}
CCOc1ncccc1C(=O)OCC(=O)c1cc(OC)ccc1OC
CCOc1ncccc1C(=O)OCC(=O)c1cc(OC)ccc1OC
[2-(2,5-dimethoxyphenyl)-2-oxoethyl] 2-ethoxypyridine-3-carboxylate