Task: Answer the multiple-choice question.
Query: Which compound exhibits a -18.765% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(N/N=C/c1ccc[nH]1)c1ccc(Cl)cc1
(b) COCCn1c(-c2ccc(OC)cc2)cnc1N
Answer: b. COCCn1c(-c2ccc(OC)cc2)cnc1N
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COCCn1c(-c2ccc(OC)cc2)cnc1N
COCCn1c(-c2ccc(OC)cc2)cnc1N
1-(2-methoxyethyl)-5-(4-methoxyphenyl)imidazol-2-amine