Task: Answer the MCQ question.
Query: Which drug exhibits a -3.493\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: COc1ccccc1NC(=O)CSc1nnc2ccc(-c3cccnc3)nn12
b: Oc1ccc(N2CCN(C(c3ccncc3)c3nnnn3C3CCCC3)CC2)cc1
Answer: a. COc1ccccc1NC(=O)CSc1nnc2ccc(-c3cccnc3)nn12
{#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#}
COc1ccccc1NC(=O)CSc1nnc2ccc(-c3cccnc3)nn12
COc1ccccc1NC(=O)CSc1nnc2ccc(-c3cccnc3)nn12
N-(2-methoxyphenyl)-2-[(6-pyridin-3-yl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)sulfanyl]acetamide