Task: Answer the multiple-choice question.
Question: Which drug exhibits a 18.877% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: Cc1nccn1CCCN1C(=O)OC2(CCCCC2)C1(C)O
b: Oc1c(Br)cc(Br)cc1Br
c: CC(=O)SCCC(=O)Nc1ccccc1
Answer: a. Cc1nccn1CCCN1C(=O)OC2(CCCCC2)C1(C)O
{#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#}
Cc1nccn1CCCN1C(=O)OC2(CCCCC2)C1(C)O
Cc1nccn1CCCN1C(=O)OC2(CCCCC2)C1(C)O
4-hydroxy-4-methyl-3-[3-(2-methylimidazol-1-yl)propyl]-1-oxa-3-azaspiro[4.5]decan-2-one