Task: Answer the multiple-choice question.
Question: Which compound has a 8.663\% 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) O=c1c2cc3c(nc2[nH]c(=S)n1-c1ccccc1)CCCC3
(b) CC(C)(C)OC(=O)CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O
Answer: b. CC(C)(C)OC(=O)CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O
{#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#}
CC(C)(C)OC(=O)CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O
CC(C)(C)OC(=O)CN1C(=O)NC(Cc2c[nH]c3ccccc23)C1=O
tert-butyl 2-[4-(1H-indol-3-ylmethyl)-2,5-dioxoimidazolidin-1-yl]acetate