Task: Answer the MCQ question.
Question: Which drug has a 12.392\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) COC(=O)c1cc(Br)c(=O)n(CC(C)C)c1
(b) O=c1[nH]c(SCc2ccc(F)cc2)nc2c1cnn2-c1ccc(F)cc1
(c) COc1ccc(Cl)cc1NC(=O)CC1CCCC1
Answer: a. COC(=O)c1cc(Br)c(=O)n(CC(C)C)c1
{#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#}
COC(=O)c1cc(Br)c(=O)n(CC(C)C)c1
COC(=O)c1cc(Br)c(=O)n(CC(C)C)c1
methyl 5-bromo-1-(2-methylpropyl)-6-oxopyridine-3-carboxylate