Task: Answer the multiple-choice question.
Question: Which compound has a -1.473\% 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, b, or c without using any other words.
Options:
a) COc1ccccc1NC(=O)COc1ccc(Br)cc1CO
b) COc1cccc(C(c2nnnn2CCc2ccccc2)N2CCN(c3ccccc3)CC2)c1OC
c) O=C(c1ccco1)c1cn(CC(=O)N2CCCc3ccccc32)c2ccccc12
Answer: a. COc1ccccc1NC(=O)COc1ccc(Br)cc1CO
{#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#}
2-[4-bromo-2-(hydroxymethyl)phenoxy]-N-(2-methoxyphenyl)acetamide