Task: Answer the MCQ question.
Question: Which drug exhibits a 8.664\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CC(=O)CCS(=O)(=O)c1ccc(C)c(C)c1
b C1CCCCCC2(CCCCC1)OCC(CN1CCOCC1)O2
c CC(C)CCn1c(CN2CCOCC2)nc2c1c(=O)n(C)c(=O)n2C
Answer: b. C1CCCCCC2(CCCCC1)OCC(CN1CCOCC1)O2
{#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#}
4-(1,4-dioxaspiro[4.11]hexadecan-3-ylmethyl)morpholine