Task: Answer the multiple choice question.
Question: Which drug exhibits a 3.976\% 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 Cc1cc(CNC(=O)c2cc(COc3c(F)cccc3F)on2)nn1C
b O=C(COc1ccc(Br)cc1)NCc1ccccn1
Answer: b. O=C(COc1ccc(Br)cc1)NCc1ccccn1
{#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-bromophenoxy)-N-(pyridin-2-ylmethyl)acetamide