Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 2.679\% 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: COCC1CCCCN1Cc1cn[nH]c1-c1ccc(OC)cc1OC
b: Cc1cc2nc(C)c(Cl)c(=O)n2[nH]1
Answer: a. COCC1CCCCN1Cc1cn[nH]c1-c1ccc(OC)cc1OC
{#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#}
COCC1CCCCN1Cc1cn[nH]c1-c1ccc(OC)cc1OC
COCC1CCCCN1Cc1cn[nH]c1-c1ccc(OC)cc1OC
1-[[5-(2,4-dimethoxyphenyl)-1H-pyrazol-4-yl]methyl]-2-(methoxymethyl)piperidine