Task: Answer the multiple-choice question.
Query: Which drug exhibits a 13.169\% 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 additional words.
Options:
(a) O=C(NCc1ccc2c(c1)OCO2)C(C(=O)c1ccccc1)n1cc(Cl)ccc1=O
(b) COc1cccc(C(=O)N2CCN=C2SC)c1
Answer: b. COc1cccc(C(=O)N2CCN=C2SC)c1
{#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#}
COc1cccc(C(=O)N2CCN=C2SC)c1
COc1cccc(C(=O)N2CCN=C2SC)c1
(3-methoxyphenyl)-(2-methylsulfanyl-4,5-dihydroimidazol-1-yl)methanone