Task: Answer the multiple choice question.
Question: Which drug has a 0.689\% 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 COC(=O)C(C)n1cnc2c(nnn2-c2cccc(Cl)c2)c1=O
b O=C(CN1C(=O)CSc2ccccc21)NC1CCCC1
Answer: b. O=C(CN1C(=O)CSc2ccccc21)NC1CCCC1
{#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(CN1C(=O)CSc2ccccc21)NC1CCCC1
O=C(CN1C(=O)CSc2ccccc21)NC1CCCC1
N-cyclopentyl-2-(3-oxo-1,4-benzothiazin-4-yl)acetamide