Task: Answer the multiple choice question.
Query: Which drug has a 12.527\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(NCc1ccccc1Br)c1ccco1
b: Cc1ccc2c3c(c(SCC(=O)Nc4nonc4C)nc2c1)CCCC3
Answer: a. O=C(NCc1ccccc1Br)c1ccco1
{#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=C(NCc1ccccc1Br)c1ccco1
O=C(NCc1ccccc1Br)c1ccco1
N-[(2-bromophenyl)methyl]furan-2-carboxamide