Task: Answer the MCQ question.
Question: Which compound has a 3.806\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C1OCCN/C1=C\C(=O)c1ccccc1
b. COc1cc(-c2csc(N3CCOCC3)n2)cc(OC)c1OC
Answer: a. O=C1OCCN/C1=C\C(=O)c1ccccc1
{#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#}
O=C1OCCN/C1=C\C(=O)c1ccccc1
O=C1OCCN/C1=C\C(=O)c1ccccc1
(3Z)-3-phenacylidenemorpholin-2-one